474521157 has 24 divisors (see below), whose sum is σ = 748489248. Its totient is φ = 287296800.

The previous prime is 474521147. The next prime is 474521183. The reversal of 474521157 is 751125474.

It is not a de Polignac number, because 474521157 - 2⁴ = 474521141 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (474521107) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 134182 + ... + 137672.

It is an arithmetic number, because the mean of its divisors is an integer number (31187052).

Almost surely, 2^474521157 is an apocalyptic number.

It is an amenable number.

474521157 is a deficient number, since it is larger than the sum of its proper divisors (273968091).

474521157 is a wasteful number, since it uses less digits than its factorization.

474521157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4881 (or 4878 counting only the distinct ones).

The product of its digits is 39200, while the sum is 36.

The square root of 474521157 is about 21783.5065359092. The cubic root of 474521157 is about 779.9831012118.

The spelling of 474521157 in words is "four hundred seventy-four million, five hundred twenty-one thousand, one hundred fifty-seven".