45473240 has 16 divisors (see below), whose sum is σ = 102314880. Its totient is φ = 18189280.

The previous prime is 45473237. The next prime is 45473257. The reversal of 45473240 is 4237454.

It is a congruent number.

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, 568376 + ... + 568455.

It is an arithmetic number, because the mean of its divisors is an integer number (6394680).

Almost surely, 2^45473240 is an apocalyptic number.

45473240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45473240 is an abundant number, since it is smaller than the sum of its proper divisors (56841640).

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

45473240 is a wasteful number, since it uses less digits than its factorization.

45473240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1136842 (or 1136838 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 29.

The square root of 45473240 is about 6743.3849067067. The cubic root of 45473240 is about 356.9318473160.

The spelling of 45473240 in words is "forty-five million, four hundred seventy-three thousand, two hundred forty".