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145609138230 = 2354853637941
BaseRepresentation
bin1000011110011011111…
…0110010000000110110
3111220211202021121212120
42013212332302000312
54341201414410410
6150520353100410
713343221152663
oct2074676620066
9456752247776
10145609138230
1156830620776
1224278257706
13109669989ba
147094574a6a
153bc339d570
hex21e6fb2036

145609138230 has 16 divisors (see below), whose sum is σ = 349461931824. Its totient is φ = 38829103520.

The previous prime is 145609138229. The next prime is 145609138273. The reversal of 145609138230 is 32831906541.

145609138230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1456091382302 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2426818941 + ... + 2426819000.

It is an arithmetic number, because the mean of its divisors is an integer number (21841370739).

Almost surely, 2145609138230 is an apocalyptic number.

145609138230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145609138230 is an abundant number, since it is smaller than the sum of its proper divisors (203852793594).

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

145609138230 is a wasteful number, since it uses less digits than its factorization.

145609138230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4853637951.

The product of its (nonzero) digits is 155520, while the sum is 42.

The spelling of 145609138230 in words is "one hundred forty-five billion, six hundred nine million, one hundred thirty-eight thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 4853637941 9707275882 14560913823 24268189705 29121827646 48536379410 72804569115 145609138230