157547291457 has 32 divisors (see below), whose sum is σ = 221785546752. Its totient is φ = 99370704384.

The previous prime is 157547291443. The next prime is 157547291459. The reversal of 157547291457 is 754192745751.

It is not a de Polignac number, because 157547291457 - 2¹¹ = 157547289409 is a prime.

It is a super-2 number, since 2×157547291457² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 157547291397 and 157547291406.

It is not an unprimeable number, because it can be changed into a prime (157547291459) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 454168 + ... + 722054.

It is an arithmetic number, because the mean of its divisors is an integer number (6930798336).

Almost surely, 2^157547291457 is an apocalyptic number.

It is an amenable number.

157547291457 is a deficient number, since it is larger than the sum of its proper divisors (64238255295).

157547291457 is a wasteful number, since it uses less digits than its factorization.

157547291457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268077.

The product of its digits is 12348000, while the sum is 57.

The spelling of 157547291457 in words is "one hundred fifty-seven billion, five hundred forty-seven million, two hundred ninety-one thousand, four hundred fifty-seven".