157457315873 has 16 divisors (see below), whose sum is σ = 185005165632. Its totient is φ = 132117480000.

The previous prime is 157457315861. The next prime is 157457315881. The reversal of 157457315873 is 378513754751.

It is not a de Polignac number, because 157457315873 - 2⁴ = 157457315857 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (157457315173) 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, 1360238 + ... + 1471448.

It is an arithmetic number, because the mean of its divisors is an integer number (11562822852).

Almost surely, 2^157457315873 is an apocalyptic number.

157457315873 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

157457315873 is a deficient number, since it is larger than the sum of its proper divisors (27547849759).

157457315873 is a wasteful number, since it uses less digits than its factorization.

157457315873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121136.

The product of its digits is 12348000, while the sum is 56.

The spelling of 157457315873 in words is "one hundred fifty-seven billion, four hundred fifty-seven million, three hundred fifteen thousand, eight hundred seventy-three".