157475140 has 12 divisors (see below), whose sum is σ = 330697836. Its totient is φ = 62990048.

The previous prime is 157475117. The next prime is 157475177. The reversal of 157475140 is 41574751.

It can be written as a sum of positive squares in 2 ways, for example, as 125484804 + 31990336 = 11202^2 + 5656^2 .

It is a junction number, because it is equal to n+sod(n) for n = 157475096 and 157475105.

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, 3936859 + ... + 3936898.

It is an arithmetic number, because the mean of its divisors is an integer number (27558153).

Almost surely, 2^157475140 is an apocalyptic number.

157475140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157475140 is an abundant number, since it is smaller than the sum of its proper divisors (173222696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157475140 is a wasteful number, since it uses less digits than its factorization.

157475140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7873766 (or 7873764 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 34.

The square root of 157475140 is about 12548.9099128171. The cubic root of 157475140 is about 540.0127340390.

The spelling of 157475140 in words is "one hundred fifty-seven million, four hundred seventy-five thousand, one hundred forty".