157823061 has 16 divisors (see below), whose sum is σ = 229831680. Its totient is φ = 95537520.

The previous prime is 157823021. The next prime is 157823069. The reversal of 157823061 is 160328751.

It is not a de Polignac number, because 157823061 - 2⁶ = 157822997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157823069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31986 + ... + 36588.

It is an arithmetic number, because the mean of its divisors is an integer number (14364480).

Almost surely, 2^157823061 is an apocalyptic number.

157823061 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

157823061 is a deficient number, since it is larger than the sum of its proper divisors (72008619).

157823061 is a wasteful number, since it uses less digits than its factorization.

157823061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5656.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 157823061 is about 12562.7648628795. The cubic root of 157823061 is about 540.4101376613.

The spelling of 157823061 in words is "one hundred fifty-seven million, eight hundred twenty-three thousand, sixty-one".