45463890 has 32 divisors (see below), whose sum is σ = 109368000. Its totient is φ = 12095424.

The previous prime is 45463879. The next prime is 45463897. The reversal of 45463890 is 9836454.

It is not an unprimeable number, because it can be changed into a prime (45463897) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13452 + ... + 16488.

It is an arithmetic number, because the mean of its divisors is an integer number (3417750).

Almost surely, 2^45463890 is an apocalyptic number.

45463890 is an abundant number, since it is smaller than the sum of its proper divisors (63904110).

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

45463890 is a wasteful number, since it uses less digits than its factorization.

45463890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3546.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 45463890 is about 6742.6915990575. The cubic root of 45463890 is about 356.9073820735.

The spelling of 45463890 in words is "forty-five million, four hundred sixty-three thousand, eight hundred ninety".