45428415 has 16 divisors (see below), whose sum is σ = 74650848. Its totient is φ = 23573376.

The previous prime is 45428401. The next prime is 45428417. The reversal of 45428415 is 51482454.

It is a happy number.

It is not a de Polignac number, because 45428415 - 2⁶ = 45428351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45428417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40372 + ... + 41481.

It is an arithmetic number, because the mean of its divisors is an integer number (4665678).

Almost surely, 2^45428415 is an apocalyptic number.

45428415 is a deficient number, since it is larger than the sum of its proper divisors (29222433).

45428415 is a wasteful number, since it uses less digits than its factorization.

45428415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81898.

The product of its digits is 25600, while the sum is 33.

The square root of 45428415 is about 6740.0604596695. The cubic root of 45428415 is about 356.8145275468.

The spelling of 45428415 in words is "forty-five million, four hundred twenty-eight thousand, four hundred fifteen".