45515351 has 4 divisors (see below), whose sum is σ = 52017552. Its totient is φ = 39013152.

The previous prime is 45515293. The next prime is 45515357. The reversal of 45515351 is 15351554.

45515351 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45515351 - 2¹⁴ = 45498967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45515357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3251090 + ... + 3251103.

It is an arithmetic number, because the mean of its divisors is an integer number (13004388).

Almost surely, 2^45515351 is an apocalyptic number.

45515351 is a deficient number, since it is larger than the sum of its proper divisors (6502201).

45515351 is an equidigital number, since it uses as much as digits as its factorization.

45515351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6502200.

The product of its digits is 7500, while the sum is 29.

The square root of 45515351 is about 6746.5065774814. The cubic root of 45515351 is about 357.0419935589.

The spelling of 45515351 in words is "forty-five million, five hundred fifteen thousand, three hundred fifty-one".