45408136 has 8 divisors (see below), whose sum is σ = 85140270. Its totient is φ = 22704064.

The previous prime is 45408133. The next prime is 45408151. The reversal of 45408136 is 63180454.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 43639236 + 1768900 = 6606^2 + 1330^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 45408098 and 45408107.

It is not an unprimeable number, because it can be changed into a prime (45408133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2838001 + ... + 2838016.

Almost surely, 2^45408136 is an apocalyptic number.

It is an amenable number.

45408136 is a deficient number, since it is larger than the sum of its proper divisors (39732134).

45408136 is a wasteful number, since it uses less digits than its factorization.

45408136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5676023 (or 5676019 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 45408136 is about 6738.5559283870. Note that the first 3 decimals coincide. The cubic root of 45408136 is about 356.7614262830.

The spelling of 45408136 in words is "forty-five million, four hundred eight thousand, one hundred thirty-six".