45261630 has 48 divisors (see below), whose sum is σ = 118014624. Its totient is φ = 12035520.

The previous prime is 45261613. The next prime is 45261653. The reversal of 45261630 is 3616254.

45261630 is a `hidden beast` number, since 4 + 5 + 26 + 1 + 630 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 45261594 and 45261603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56392 + ... + 57188.

It is an arithmetic number, because the mean of its divisors is an integer number (2458638).

Almost surely, 2^45261630 is an apocalyptic number.

45261630 is an abundant number, since it is smaller than the sum of its proper divisors (72752994).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45261630 is a wasteful number, since it uses less digits than its factorization.

45261630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1441 (or 1438 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 45261630 is about 6727.6764190915. The cubic root of 45261630 is about 356.3773247561.

Adding to 45261630 its reverse (3616254), we get a palindrome (48877884).

The spelling of 45261630 in words is "forty-five million, two hundred sixty-one thousand, six hundred thirty".