45511032 has 32 divisors (see below), whose sum is σ = 130032000. Its totient is φ = 13003104.

The previous prime is 45511021. The next prime is 45511079. The reversal of 45511032 is 23011554.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135282 + ... + 135617.

It is an arithmetic number, because the mean of its divisors is an integer number (4063500).

Almost surely, 2^45511032 is an apocalyptic number.

45511032 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

45511032 is an abundant number, since it is smaller than the sum of its proper divisors (84520968).

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

45511032 is a wasteful number, since it uses less digits than its factorization.

45511032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270915 (or 270911 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 45511032 is about 6746.1864783002. The cubic root of 45511032 is about 357.0306998370.

Adding to 45511032 its reverse (23011554), we get a palindrome (68522586).

The spelling of 45511032 in words is "forty-five million, five hundred eleven thousand, thirty-two".