157637441 has 16 divisors (see below), whose sum is σ = 176136576. Its totient is φ = 140144256.

The previous prime is 157637411. The next prime is 157637461. The reversal of 157637441 is 144736751.

It is a cyclic number.

It is not a de Polignac number, because 157637441 - 2¹⁸ = 157375297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 157637395 and 157637404.

It is not an unprimeable number, because it can be changed into a prime (157637401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38876 + ... + 42738.

It is an arithmetic number, because the mean of its divisors is an integer number (11008536).

Almost surely, 2^157637441 is an apocalyptic number.

It is an amenable number.

157637441 is a deficient number, since it is larger than the sum of its proper divisors (18499135).

157637441 is a wasteful number, since it uses less digits than its factorization.

157637441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3992.

The product of its digits is 70560, while the sum is 38.

The square root of 157637441 is about 12555.3749844439. The cubic root of 157637441 is about 540.1981908542.

The spelling of 157637441 in words is "one hundred fifty-seven million, six hundred thirty-seven thousand, four hundred forty-one".