45509512 has 8 divisors (see below), whose sum is σ = 85330350. Its totient is φ = 22754752.

The previous prime is 45509501. The next prime is 45509537. The reversal of 45509512 is 21590554.

45509512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 24661156 + 20848356 = 4966^2 + 4566^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×45509512² = 4142231364956288, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2844337 + ... + 2844352.

Almost surely, 2^45509512 is an apocalyptic number.

It is an amenable number.

45509512 is a deficient number, since it is larger than the sum of its proper divisors (39820838).

45509512 is a wasteful number, since it uses less digits than its factorization.

45509512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5688695 (or 5688691 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 31.

The square root of 45509512 is about 6746.0738211200. The cubic root of 45509512 is about 357.0267250300.

The spelling of 45509512 in words is "forty-five million, five hundred nine thousand, five hundred twelve".