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145415230000 = 245414541523
BaseRepresentation
bin1000011101101101101…
…1000101001000110000
3111220100020102001210021
42013123123011020300
54340302244330000
6150445225013224
713335345026605
oct2073333051060
9456306361707
10145415230000
1156741119637
1224223324214
13109357653c1
1470768da6ac
153bb134911a
hex21db6c5230

145415230000 has 50 divisors (see below), whose sum is σ = 352064837564. Its totient is φ = 58166088000.

The previous prime is 145415229943. The next prime is 145415230043. The reversal of 145415230000 is 32514541.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (50).

It is a super-2 number, since 2×1454152300002 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 7260762 + ... + 7280761.

Almost surely, 2145415230000 is an apocalyptic number.

145415230000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145415230000 is an abundant number, since it is smaller than the sum of its proper divisors (206649607564).

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

145415230000 is an equidigital number, since it uses as much as digits as its factorization.

145415230000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14541551 (or 14541530 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 145415230000 its reverse (32514541), we get a palindrome (145447744541).

The spelling of 145415230000 in words is "one hundred forty-five billion, four hundred fifteen million, two hundred thirty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 625 1000 1250 2000 2500 5000 10000 14541523 29083046 58166092 72707615 116332184 145415230 232664368 290830460 363538075 581660920 727076150 1163321840 1454152300 1817690375 2908304600 3635380750 5816609200 7270761500 9088451875 14541523000 18176903750 29083046000 36353807500 72707615000 145415230000