474645155 has 4 divisors (see below), whose sum is σ = 569574192. Its totient is φ = 379716120.

The previous prime is 474645121. The next prime is 474645161. The reversal of 474645155 is 551546474.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 551546474 = 2 ⋅275773237.

It is not a de Polignac number, because 474645155 - 2⁶ = 474645091 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47464511 + ... + 47464520.

It is an arithmetic number, because the mean of its divisors is an integer number (142393548).

Almost surely, 2^474645155 is an apocalyptic number.

474645155 is a deficient number, since it is larger than the sum of its proper divisors (94929037).

474645155 is an equidigital number, since it uses as much as digits as its factorization.

474645155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94929036.

The product of its digits is 336000, while the sum is 41.

The square root of 474645155 is about 21786.3524941648. The cubic root of 474645155 is about 780.0510349031.

The spelling of 474645155 in words is "four hundred seventy-four million, six hundred forty-five thousand, one hundred fifty-five".