45075438 has 24 divisors (see below), whose sum is σ = 99936408. Its totient is φ = 14675472.

The previous prime is 45075421. The next prime is 45075439. The reversal of 45075438 is 83457054.

It is a super-2 number, since 2×45075438² = 4063590221783688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45075439) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28345 + ... + 29892.

It is an arithmetic number, because the mean of its divisors is an integer number (4164017).

Almost surely, 2^45075438 is an apocalyptic number.

45075438 is an abundant number, since it is smaller than the sum of its proper divisors (54860970).

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

45075438 is a wasteful number, since it uses less digits than its factorization.

45075438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58288 (or 58285 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 45075438 is about 6713.8243944863. The cubic root of 45075438 is about 355.8879786835.

The spelling of 45075438 in words is "forty-five million, seventy-five thousand, four hundred thirty-eight".