45513830 has 16 divisors (see below), whose sum is σ = 82255824. Its totient is φ = 18132000.

The previous prime is 45513791. The next prime is 45513863. The reversal of 45513830 is 3831554.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 45513793 and 45513802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6557 + ... + 11576.

It is an arithmetic number, because the mean of its divisors is an integer number (5140989).

Almost surely, 2^45513830 is an apocalyptic number.

45513830 is a deficient number, since it is larger than the sum of its proper divisors (36741994).

45513830 is a wasteful number, since it uses less digits than its factorization.

45513830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18391.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 45513830 is about 6746.3938515328. The cubic root of 45513830 is about 357.0380163885.

The spelling of 45513830 in words is "forty-five million, five hundred thirteen thousand, eight hundred thirty".