45505415 has 8 divisors (see below), whose sum is σ = 54688608. Its totient is φ = 36349600.

The previous prime is 45505409. The next prime is 45505459. The reversal of 45505415 is 51450554.

It is a happy number.

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

It is not a de Polignac number, because 45505415 - 2¹⁸ = 45243271 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, 2987 + ... + 9996.

It is an arithmetic number, because the mean of its divisors is an integer number (6836076).

Almost surely, 2^45505415 is an apocalyptic number.

45505415 is a deficient number, since it is larger than the sum of its proper divisors (9183193).

45505415 is a wasteful number, since it uses less digits than its factorization.

45505415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13689.

The product of its (nonzero) digits is 10000, while the sum is 29.

The square root of 45505415 is about 6745.7701561794. The cubic root of 45505415 is about 357.0160109153.

Adding to 45505415 its reverse (51450554), we get a palindrome (96955969).

The spelling of 45505415 in words is "forty-five million, five hundred five thousand, four hundred fifteen".