157163734 has 16 divisors (see below), whose sum is σ = 290148768. Its totient is φ = 62174592.

The previous prime is 157163729. The next prime is 157163749. The reversal of 157163734 is 437361751.

It is a junction number, because it is equal to n+sod(n) for n = 157163693 and 157163702.

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 7 ways as a sum of consecutive naturals, for example, 431587 + ... + 431950.

It is an arithmetic number, because the mean of its divisors is an integer number (18134298).

Almost surely, 2^157163734 is an apocalyptic number.

157163734 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

157163734 is a deficient number, since it is larger than the sum of its proper divisors (132985034).

157163734 is a wasteful number, since it uses less digits than its factorization.

157163734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863559.

The product of its digits is 52920, while the sum is 37.

The square root of 157163734 is about 12536.4960814416. The cubic root of 157163734 is about 539.6565419980.

The spelling of 157163734 in words is "one hundred fifty-seven million, one hundred sixty-three thousand, seven hundred thirty-four".