45319630 has 16 divisors (see below), whose sum is σ = 82118304. Its totient is φ = 18007200.

The previous prime is 45319619. The next prime is 45319633. The reversal of 45319630 is 3691354.

It is a junction number, because it is equal to n+sod(n) for n = 45319592 and 45319601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45319633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13497 + ... + 16516.

It is an arithmetic number, because the mean of its divisors is an integer number (5132394).

Almost surely, 2^45319630 is an apocalyptic number.

45319630 is a deficient number, since it is larger than the sum of its proper divisors (36798674).

45319630 is a wasteful number, since it uses less digits than its factorization.

45319630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30171.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 45319630 is about 6731.9855911908. The cubic root of 45319630 is about 356.5294850006.

It can be divided in two parts, 4531 and 9630, that added together give a square (14161 = 119²).

The spelling of 45319630 in words is "forty-five million, three hundred nineteen thousand, six hundred thirty".