157442810 has 16 divisors (see below), whose sum is σ = 323882496. Its totient is φ = 53980368.

The previous prime is 157442777. The next prime is 157442819. The reversal of 157442810 is 18244751.

It is a happy number.

157442810 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×157442810² = 49576476841392200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (157442819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1124522 + ... + 1124661.

It is an arithmetic number, because the mean of its divisors is an integer number (20242656).

Almost surely, 2^157442810 is an apocalyptic number.

157442810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157442810 is an abundant number, since it is smaller than the sum of its proper divisors (166439686).

157442810 is a wasteful number, since it uses less digits than its factorization.

157442810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2249197.

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 157442810 is about 12547.6216869971. The cubic root of 157442810 is about 539.9757762339.

The spelling of 157442810 in words is "one hundred fifty-seven million, four hundred forty-two thousand, eight hundred ten".