45261215 has 4 divisors (see below), whose sum is σ = 54313464. Its totient is φ = 36208968.

The previous prime is 45261197. The next prime is 45261239. The reversal of 45261215 is 51216254.

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 45261215 - 2⁸ = 45260959 is a prime.

It is a super-3 number, since 3×45261215³ (a number of 24 digits) contains 333 as substring.

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 3 ways as a sum of consecutive naturals, for example, 4526117 + ... + 4526126.

It is an arithmetic number, because the mean of its divisors is an integer number (13578366).

Almost surely, 2^45261215 is an apocalyptic number.

45261215 is a deficient number, since it is larger than the sum of its proper divisors (9052249).

45261215 is an equidigital number, since it uses as much as digits as its factorization.

45261215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9052248.

The product of its digits is 2400, while the sum is 26.

The square root of 45261215 is about 6727.6455762770. The cubic root of 45261215 is about 356.3762355551.

Adding to 45261215 its reverse (51216254), we get a palindrome (96477469).

The spelling of 45261215 in words is "forty-five million, two hundred sixty-one thousand, two hundred fifteen".