45512770 has 32 divisors (see below), whose sum is σ = 83462400. Its totient is φ = 17867136.

The previous prime is 45512767. The next prime is 45512783. The reversal of 45512770 is 7721554.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190311 + ... + 190549.

It is an arithmetic number, because the mean of its divisors is an integer number (2608200).

Almost surely, 2^45512770 is an apocalyptic number.

45512770 is a deficient number, since it is larger than the sum of its proper divisors (37949630).

45512770 is a wasteful number, since it uses less digits than its factorization.

45512770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522.

The product of its (nonzero) digits is 9800, while the sum is 31.

The square root of 45512770 is about 6746.3152905864. The cubic root of 45512770 is about 357.0352446065.

It can be divided in two parts, 455 and 12770, that added together give a square (13225 = 115²).

The spelling of 45512770 in words is "forty-five million, five hundred twelve thousand, seven hundred seventy".