45380645 has 32 divisors (see below), whose sum is σ = 59996160. Its totient is φ = 32832000.

The previous prime is 45380639. The next prime is 45380653. The reversal of 45380645 is 54608354.

It is not a de Polignac number, because 45380645 - 2¹⁴ = 45364261 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 237500 + ... + 237690.

It is an arithmetic number, because the mean of its divisors is an integer number (1874880).

Almost surely, 2^45380645 is an apocalyptic number.

It is an amenable number.

45380645 is a deficient number, since it is larger than the sum of its proper divisors (14615515).

45380645 is a wasteful number, since it uses less digits than its factorization.

45380645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317.

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 45380645 is about 6736.5157908224. The cubic root of 45380645 is about 356.6894148979.

Adding to 45380645 its reverse (54608354), we get a palindrome (99988999).

The spelling of 45380645 in words is "forty-five million, three hundred eighty thousand, six hundred forty-five".