45401132 has 12 divisors (see below), whose sum is σ = 90802320. Its totient is φ = 19457616.

The previous prime is 45401123. The next prime is 45401137. The reversal of 45401132 is 23110454.

45401132 is an admirable number.

It is a super-2 number, since 2×45401132² = 4122525573762848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45401137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 810707 + ... + 810762.

It is an arithmetic number, because the mean of its divisors is an integer number (7566860).

Almost surely, 2^45401132 is an apocalyptic number.

It is an amenable number.

45401132 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

45401132 is a wasteful number, since it uses less digits than its factorization.

45401132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1621480 (or 1621478 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 45401132 is about 6738.0362124287. The cubic root of 45401132 is about 356.7430823933.

Adding to 45401132 its reverse (23110454), we get a palindrome (68511586).

The spelling of 45401132 in words is "forty-five million, four hundred one thousand, one hundred thirty-two".