45415863 has 8 divisors (see below), whose sum is σ = 67282800. Its totient is φ = 30277224.

The previous prime is 45415849. The next prime is 45415889. The reversal of 45415863 is 36851454.

It is a happy number.

45415863 is a `hidden beast` number, since 4 + 541 + 58 + 63 = 666.

It is not a de Polignac number, because 45415863 - 2⁴ = 45415847 is a prime.

It is a super-2 number, since 2×45415863² = 4125201224069538, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45415813) 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, 841008 + ... + 841061.

It is an arithmetic number, because the mean of its divisors is an integer number (8410350).

Almost surely, 2^45415863 is an apocalyptic number.

45415863 is a deficient number, since it is larger than the sum of its proper divisors (21866937).

45415863 is a wasteful number, since it uses less digits than its factorization.

45415863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1682078 (or 1682072 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 45415863 is about 6739.1292464235. The cubic root of 45415863 is about 356.7816615641.

It can be divided in two parts, 4541 and 5863, that added together give a square (10404 = 102²).

The spelling of 45415863 in words is "forty-five million, four hundred fifteen thousand, eight hundred sixty-three".