475121146 has 4 divisors (see below), whose sum is σ = 712681722. Its totient is φ = 237560572.

The previous prime is 475121113. The next prime is 475121191. The reversal of 475121146 is 641121574.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 641121574 = 2 ⋅320560787.

It can be written as a sum of positive squares in only one way, i.e., 237622225 + 237498921 = 15415^2 + 15411^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 118780285 + ... + 118780288.

Almost surely, 2^475121146 is an apocalyptic number.

475121146 is a deficient number, since it is larger than the sum of its proper divisors (237560576).

475121146 is a wasteful number, since it uses less digits than its factorization.

475121146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237560575.

The product of its digits is 6720, while the sum is 31.

The square root of 475121146 is about 21797.2738203657. The cubic root of 475121146 is about 780.3117020708.

The spelling of 475121146 in words is "four hundred seventy-five million, one hundred twenty-one thousand, one hundred forty-six".