157552210 has 8 divisors (see below), whose sum is σ = 283593996. Its totient is φ = 63020880.

The previous prime is 157552207. The next prime is 157552267. The reversal of 157552210 is 12255751.

It can be written as a sum of positive squares in 2 ways, for example, as 143736121 + 13816089 = 11989^2 + 3717^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 7877601 + ... + 7877620.

Almost surely, 2^157552210 is an apocalyptic number.

157552210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157552210 is a deficient number, since it is larger than the sum of its proper divisors (126041786).

157552210 is a wasteful number, since it uses less digits than its factorization.

157552210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15755228.

The product of its (nonzero) digits is 3500, while the sum is 28.

The square root of 157552210 is about 12551.9803218456. The cubic root of 157552210 is about 540.1008156534.

The spelling of 157552210 in words is "one hundred fifty-seven million, five hundred fifty-two thousand, two hundred ten".