157342146 has 32 divisors (see below), whose sum is σ = 339450048. Its totient is φ = 48333120.

The previous prime is 157342069. The next prime is 157342147. The reversal of 157342146 is 641243751.

It is not an unprimeable number, because it can be changed into a prime (157342147) 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, 60901 + ... + 63431.

It is an arithmetic number, because the mean of its divisors is an integer number (10607814).

Almost surely, 2^157342146 is an apocalyptic number.

157342146 is an abundant number, since it is smaller than the sum of its proper divisors (182107902).

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

157342146 is a wasteful number, since it uses less digits than its factorization.

157342146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3346.

The product of its digits is 20160, while the sum is 33.

The square root of 157342146 is about 12543.6097675270. The cubic root of 157342146 is about 539.8606705008.

Adding to 157342146 its reverse (641243751), we get a palindrome (798585897).

The spelling of 157342146 in words is "one hundred fifty-seven million, three hundred forty-two thousand, one hundred forty-six".