45422015 has 8 divisors (see below), whose sum is σ = 54822528. Its totient is φ = 36126880.

The previous prime is 45422009. The next prime is 45422029. The reversal of 45422015 is 51022454.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-45422015 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25391 + ... + 27120.

It is an arithmetic number, because the mean of its divisors is an integer number (6852816).

Almost surely, 2^45422015 is an apocalyptic number.

45422015 is a deficient number, since it is larger than the sum of its proper divisors (9400513).

45422015 is a wasteful number, since it uses less digits than its factorization.

45422015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52689.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 45422015 is about 6739.5856697575. The cubic root of 45422015 is about 356.7977706321.

Adding to 45422015 its reverse (51022454), we get a palindrome (96444469).

The spelling of 45422015 in words is "forty-five million, four hundred twenty-two thousand, fifteen".