45415623 has 8 divisors (see below), whose sum is σ = 66059136. Its totient is φ = 27524600.

The previous prime is 45415607. The next prime is 45415631. The reversal of 45415623 is 32651454.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45415623 - 2⁴ = 45415607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45415633) 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, 688083 + ... + 688148.

It is an arithmetic number, because the mean of its divisors is an integer number (8257392).

Almost surely, 2^45415623 is an apocalyptic number.

45415623 is a deficient number, since it is larger than the sum of its proper divisors (20643513).

45415623 is a wasteful number, since it uses less digits than its factorization.

45415623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1376245.

The product of its digits is 14400, while the sum is 30.

The square root of 45415623 is about 6739.1114399452. Note that the first 3 decimals coincide. The cubic root of 45415623 is about 356.7810330924.

The spelling of 45415623 in words is "forty-five million, four hundred fifteen thousand, six hundred twenty-three".