45512049 has 32 divisors (see below), whose sum is σ = 72115200. Its totient is φ = 25220160.

The previous prime is 45512023. The next prime is 45512057. The reversal of 45512049 is 94021554.

It is not a de Polignac number, because 45512049 - 2¹² = 45507953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45512059) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16932 + ... + 19434.

It is an arithmetic number, because the mean of its divisors is an integer number (2253600).

Almost surely, 2^45512049 is an apocalyptic number.

It is an amenable number.

45512049 is a deficient number, since it is larger than the sum of its proper divisors (26603151).

45512049 is a wasteful number, since it uses less digits than its factorization.

45512049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2565.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 45512049 is about 6746.2618537973. The cubic root of 45512049 is about 357.0333592473.

The spelling of 45512049 in words is "forty-five million, five hundred twelve thousand, forty-nine".