157043290 has 16 divisors (see below), whose sum is σ = 283949568. Its totient is φ = 62534736.

The previous prime is 157043279. The next prime is 157043311. The reversal of 157043290 is 92340751.

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 7 ways as a sum of consecutive naturals, for example, 32982 + ... + 37441.

It is an arithmetic number, because the mean of its divisors is an integer number (17746848).

Almost surely, 2^157043290 is an apocalyptic number.

157043290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157043290 is a deficient number, since it is larger than the sum of its proper divisors (126906278).

157043290 is a wasteful number, since it uses less digits than its factorization.

157043290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70653.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 157043290 is about 12531.6914261404. The cubic root of 157043290 is about 539.5186497035.

The spelling of 157043290 in words is "one hundred fifty-seven million, forty-three thousand, two hundred ninety".