45656505 has 24 divisors (see below), whose sum is σ = 80825472. Its totient is φ = 23830944.

The previous prime is 45656489. The next prime is 45656519. The reversal of 45656505 is 50565654.

It is a happy number.

It is not a de Polignac number, because 45656505 - 2⁴ = 45656489 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 45656505.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8679 + ... + 12908.

It is an arithmetic number, because the mean of its divisors is an integer number (3367728).

Almost surely, 2^45656505 is an apocalyptic number.

45656505 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

45656505 is a deficient number, since it is larger than the sum of its proper divisors (35168967).

45656505 is a wasteful number, since it uses less digits than its factorization.

45656505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21645 (or 21642 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The square root of 45656505 is about 6756.9597453293. The cubic root of 45656505 is about 357.4107035682.

The spelling of 45656505 in words is "forty-five million, six hundred fifty-six thousand, five hundred five".