157042870 has 8 divisors (see below), whose sum is σ = 282677184. Its totient is φ = 62817144.

The previous prime is 157042867. The next prime is 157042883. The reversal of 157042870 is 78240751.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 7852134 + ... + 7852153.

It is an arithmetic number, because the mean of its divisors is an integer number (35334648).

Almost surely, 2^157042870 is an apocalyptic number.

157042870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157042870 is a deficient number, since it is larger than the sum of its proper divisors (125634314).

157042870 is a wasteful number, since it uses less digits than its factorization.

157042870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15704294.

The product of its (nonzero) digits is 15680, while the sum is 34.

The square root of 157042870 is about 12531.6746686147. The cubic root of 157042870 is about 539.5181687362.

The spelling of 157042870 in words is "one hundred fifty-seven million, forty-two thousand, eight hundred seventy".