45020415 has 32 divisors (see below), whose sum is σ = 78941952. Its totient is φ = 21728000.

The previous prime is 45020413. The next prime is 45020429. The reversal of 45020415 is 51402054.

It is not a de Polignac number, because 45020415 - 2¹ = 45020413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45020391 and 45020400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45020411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45880 + ... + 46850.

It is an arithmetic number, because the mean of its divisors is an integer number (2466936).

Almost surely, 2^45020415 is an apocalyptic number.

45020415 is a deficient number, since it is larger than the sum of its proper divisors (33921537).

45020415 is a wasteful number, since it uses less digits than its factorization.

45020415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 45020415 is about 6709.7254042174. The cubic root of 45020415 is about 355.7431104481.

Adding to 45020415 its reverse (51402054), we get a palindrome (96422469).

The spelling of 45020415 in words is "forty-five million, twenty thousand, four hundred fifteen".