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145200043420 = 22586316934969
BaseRepresentation
bin1000011100111010011…
…0001101010110011100
3111212210020111110021221
42013032212031112130
54334332202342140
6150412020503124
713330123001515
oct2071646152634
9455706443257
10145200043420
1156640703793
122418324aaa4
13108cccc1873
1470560c3a0c
153b9c4e014a
hex21ce98d59c

145200043420 has 48 divisors (see below), whose sum is σ = 305515203840. Its totient is φ = 57966782976.

The previous prime is 145200043403. The next prime is 145200043423. The reversal of 145200043420 is 24340002541.

It is a happy number.

145200043420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145200043423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29218696 + ... + 29223664.

It is an arithmetic number, because the mean of its divisors is an integer number (6364900080).

Almost surely, 2145200043420 is an apocalyptic number.

145200043420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145200043420 is an abundant number, since it is smaller than the sum of its proper divisors (160315160420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145200043420 is a wasteful number, since it uses less digits than its factorization.

145200043420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7534 (or 7532 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 145200043420 its reverse (24340002541), we get a palindrome (169540045961).

The spelling of 145200043420 in words is "one hundred forty-five billion, two hundred million, forty-three thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 863 1693 1726 3386 3452 4315 4969 6772 8465 8630 9938 16930 17260 19876 24845 33860 49690 99380 1461059 2922118 4288247 5844236 7305295 8412517 8576494 14610590 16825034 17152988 21441235 29221180 33650068 42062585 42882470 84125170 85764940 168250340 7260002171 14520004342 29040008684 36300010855 72600021710 145200043420