157540458 has 16 divisors (see below), whose sum is σ = 315439200. Its totient is φ = 52453776.

The previous prime is 157540451. The next prime is 157540483. The reversal of 157540458 is 854045751.

It is not an unprimeable number, because it can be changed into a prime (157540451) 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 7 ways as a sum of consecutive naturals, for example, 9033 + ... + 19916.

It is an arithmetic number, because the mean of its divisors is an integer number (19714950).

Almost surely, 2^157540458 is an apocalyptic number.

157540458 is an abundant number, since it is smaller than the sum of its proper divisors (157898742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157540458 is a wasteful number, since it uses less digits than its factorization.

157540458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29861.

The product of its (nonzero) digits is 112000, while the sum is 39.

The square root of 157540458 is about 12551.5121798132. The cubic root of 157540458 is about 540.0873864065.

The spelling of 157540458 in words is "one hundred fifty-seven million, five hundred forty thousand, four hundred fifty-eight".