45480623 has 4 divisors (see below), whose sum is σ = 47874360. Its totient is φ = 43086888.

The previous prime is 45480619. The next prime is 45480629. The reversal of 45480623 is 32608454.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45480623 - 2² = 45480619 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45480623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45480629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1196840 + ... + 1196877.

It is an arithmetic number, because the mean of its divisors is an integer number (11968590).

Almost surely, 2^45480623 is an apocalyptic number.

45480623 is a deficient number, since it is larger than the sum of its proper divisors (2393737).

45480623 is a wasteful number, since it uses less digits than its factorization.

45480623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2393736.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 45480623 is about 6743.9323098620. The cubic root of 45480623 is about 356.9511633301.

The spelling of 45480623 in words is "forty-five million, four hundred eighty thousand, six hundred twenty-three".