157440057314251 has 8 divisors (see below), whose sum is σ = 157479977779200. Its totient is φ = 157400140439400.

The previous prime is 157440057314249. The next prime is 157440057314263. The reversal of 157440057314251 is 152413750044751.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 157440057314251 - 2¹ = 157440057314249 is a prime.

It is a super-2 number, since 2×157440057314251² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 157440057314195 and 157440057314204.

It is not an unprimeable number, because it can be changed into a prime (157440057114251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87933480 + ... + 89706058.

It is an arithmetic number, because the mean of its divisors is an integer number (19684997222400).

Almost surely, 2^{157440057314251} is an apocalyptic number.

157440057314251 is a deficient number, since it is larger than the sum of its proper divisors (39920464949).

157440057314251 is a wasteful number, since it uses less digits than its factorization.

157440057314251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1795049.

The product of its (nonzero) digits is 2352000, while the sum is 49.

The spelling of 157440057314251 in words is "one hundred fifty-seven trillion, four hundred forty billion, fifty-seven million, three hundred fourteen thousand, two hundred fifty-one".