157447254575472 has 80 divisors (see below), whose sum is σ = 410323380480000. Its totient is φ = 52021354776832.

The previous prime is 157447254575453. The next prime is 157447254575477. The reversal of 157447254575472 is 274575452744751.

It is a super-4 number, since 4×157447254575472⁴ (a number of 58 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 157447254575397 and 157447254575406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157447254575477) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19553772 + ... + 26405387.

It is an arithmetic number, because the mean of its divisors is an integer number (5129042256000).

Almost surely, 2^{157447254575472} is an apocalyptic number.

157447254575472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

157447254575472 is an abundant number, since it is smaller than the sum of its proper divisors (252876125904528).

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

157447254575472 is a wasteful number, since it uses less digits than its factorization.

157447254575472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45959798 (or 45959792 counting only the distinct ones).

The product of its digits is 1536640000, while the sum is 69.

The spelling of 157447254575472 in words is "one hundred fifty-seven trillion, four hundred forty-seven billion, two hundred fifty-four million, five hundred seventy-five thousand, four hundred seventy-two".