45146512 has 20 divisors (see below), whose sum is σ = 89836636. Its totient is φ = 21962880.

The previous prime is 45146483. The next prime is 45146531. The reversal of 45146512 is 21564154.

It can be written as a sum of positive squares in 2 ways, for example, as 32444416 + 12702096 = 5696^2 + 3564^2 .

It is a super-2 number, since 2×45146512² = 4076415091532288, which contains 22 as substring.

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, 37539 + ... + 38722.

Almost surely, 2^45146512 is an apocalyptic number.

It is an amenable number.

45146512 is a deficient number, since it is larger than the sum of its proper divisors (44690124).

45146512 is a wasteful number, since it uses less digits than its factorization.

45146512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76306 (or 76300 counting only the distinct ones).

The product of its digits is 4800, while the sum is 28.

The square root of 45146512 is about 6719.1154179698. The cubic root of 45146512 is about 356.0749326760.

It can be divided in two parts, 4514 and 6512, that added together give a triangular number (11026 = T₁₄₈).

The spelling of 45146512 in words is "forty-five million, one hundred forty-six thousand, five hundred twelve".