45622940 has 24 divisors (see below), whose sum is σ = 104518512. Its totient is φ = 16590080.

The previous prime is 45622921. The next prime is 45622943. The reversal of 45622940 is 4922654.

It is a junction number, because it is equal to n+sod(n) for n = 45622897 and 45622906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45622943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103469 + ... + 103908.

It is an arithmetic number, because the mean of its divisors is an integer number (4354938).

Almost surely, 2^45622940 is an apocalyptic number.

It is an amenable number.

45622940 is an abundant number, since it is smaller than the sum of its proper divisors (58895572).

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

45622940 is a wasteful number, since it uses less digits than its factorization.

45622940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207397 (or 207395 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 45622940 is about 6754.4755532906. The cubic root of 45622940 is about 357.3230969847.

The spelling of 45622940 in words is "forty-five million, six hundred twenty-two thousand, nine hundred forty".