45464991 has 32 divisors (see below), whose sum is σ = 71850240. Its totient is φ = 25209600.

The previous prime is 45464983. The next prime is 45465019. The reversal of 45464991 is 19946454.

It is not a de Polignac number, because 45464991 - 2³ = 45464983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45464291) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55795 + ... + 56603.

It is an arithmetic number, because the mean of its divisors is an integer number (2245320).

Almost surely, 2^45464991 is an apocalyptic number.

45464991 is a deficient number, since it is larger than the sum of its proper divisors (26385249).

45464991 is a wasteful number, since it uses less digits than its factorization.

45464991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967.

The product of its digits is 155520, while the sum is 42.

The square root of 45464991 is about 6742.7732425168. The cubic root of 45464991 is about 356.9102631282.

The spelling of 45464991 in words is "forty-five million, four hundred sixty-four thousand, nine hundred ninety-one".