902945475 has 36 divisors (see below), whose sum is σ = 1677186056. Its totient is φ = 481567680.

The previous prime is 902945473. The next prime is 902945507. The reversal of 902945475 is 574549209.

902945475 is a `hidden beast` number, since 90 + 2 + 94 + 5 + 475 = 666.

It is not a de Polignac number, because 902945475 - 2¹ = 902945473 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 902945475.

It is not an unprimeable number, because it can be changed into a prime (902945473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 68242 + ... + 80391.

Almost surely, 2^902945475 is an apocalyptic number.

902945475 is a deficient number, since it is larger than the sum of its proper divisors (774240581).

902945475 is a wasteful number, since it uses less digits than its factorization.

902945475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148658 (or 148641 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The square root of 902945475 is about 30049.0511497451. The cubic root of 902945475 is about 966.5415061233.

The spelling of 902945475 in words is "nine hundred two million, nine hundred forty-five thousand, four hundred seventy-five".