157561010 has 32 divisors (see below), whose sum is σ = 290477232. Its totient is φ = 61516800.

The previous prime is 157561009. The next prime is 157561021. The reversal of 157561010 is 10165751.

It can be written as a sum of positive squares in 8 ways, for example, as 74149321 + 83411689 = 8611^2 + 9133^2 .

It is an unprimeable number.

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, 72662 + ... + 74798.

Almost surely, 2^157561010 is an apocalyptic number.

157561010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157561010 is a deficient number, since it is larger than the sum of its proper divisors (132916222).

157561010 is a wasteful number, since it uses less digits than its factorization.

157561010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2318.

The product of its (nonzero) digits is 1050, while the sum is 26.

The square root of 157561010 is about 12552.3308592468. The cubic root of 157561010 is about 540.1108711533.

The spelling of 157561010 in words is "one hundred fifty-seven million, five hundred sixty-one thousand, ten".