45020315 has 16 divisors (see below), whose sum is σ = 57224448. Its totient is φ = 33930336.

The previous prime is 45020249. The next prime is 45020317. The reversal of 45020315 is 51302054.

It is not a de Polignac number, because 45020315 - 2²² = 40826011 is a prime.

It is a super-3 number, since 3×45020315³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45020317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4784 + ... + 10626.

It is an arithmetic number, because the mean of its divisors is an integer number (3576528).

Almost surely, 2^45020315 is an apocalyptic number.

45020315 is a deficient number, since it is larger than the sum of its proper divisors (12204133).

45020315 is a wasteful number, since it uses less digits than its factorization.

45020315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5938.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 45020315 is about 6709.7179523435. The cubic root of 45020315 is about 355.7428470539.

Adding to 45020315 its reverse (51302054), we get a palindrome (96322369).

The spelling of 45020315 in words is "forty-five million, twenty thousand, three hundred fifteen".