157081241 has 16 divisors (see below), whose sum is σ = 170306064. Its totient is φ = 144328704.

The previous prime is 157081231. The next prime is 157081277. The reversal of 157081241 is 142180751.

It can be written as a sum of positive squares in 8 ways, for example, as 16777216 + 140304025 = 4096^2 + 11845^2 .

It is a cyclic number.

It is not a de Polignac number, because 157081241 - 2¹⁸ = 156819097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157081201) 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, 281735 + ... + 282291.

It is an arithmetic number, because the mean of its divisors is an integer number (10644129).

Almost surely, 2^157081241 is an apocalyptic number.

It is an amenable number.

157081241 is a deficient number, since it is larger than the sum of its proper divisors (13224823).

157081241 is a wasteful number, since it uses less digits than its factorization.

157081241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940.

The product of its (nonzero) digits is 2240, while the sum is 29.

The square root of 157081241 is about 12533.2055356960. The cubic root of 157081241 is about 539.5621061354.

The spelling of 157081241 in words is "one hundred fifty-seven million, eighty-one thousand, two hundred forty-one".