45021405515 has 16 divisors (see below), whose sum is σ = 55464099840. Its totient is φ = 35066208480.

The previous prime is 45021405503. The next prime is 45021405557. The reversal of 45021405515 is 51550412054.

It is not a de Polignac number, because 45021405515 - 2⁸ = 45021405259 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 456635 + ... + 546404.

It is an arithmetic number, because the mean of its divisors is an integer number (3466506240).

Almost surely, 2^45021405515 is an apocalyptic number.

45021405515 is a deficient number, since it is larger than the sum of its proper divisors (10442694325).

45021405515 is a wasteful number, since it uses less digits than its factorization.

45021405515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003282.

The product of its (nonzero) digits is 20000, while the sum is 32.

Adding to 45021405515 its reverse (51550412054), we get a palindrome (96571817569).

The spelling of 45021405515 in words is "forty-five billion, twenty-one million, four hundred five thousand, five hundred fifteen".