45339261 has 16 divisors (see below), whose sum is σ = 66593280. Its totient is φ = 27209520.

The previous prime is 45339253. The next prime is 45339277. The reversal of 45339261 is 16293354.

It is not a de Polignac number, because 45339261 - 2³ = 45339253 is a prime.

It is a super-2 number, since 2×45339261² = 4111297176052242, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45339211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3271 + ... + 10068.

It is an arithmetic number, because the mean of its divisors is an integer number (4162080).

Almost surely, 2^45339261 is an apocalyptic number.

It is an amenable number.

45339261 is a deficient number, since it is larger than the sum of its proper divisors (21254019).

45339261 is a wasteful number, since it uses less digits than its factorization.

45339261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13456.

The product of its digits is 19440, while the sum is 33.

The square root of 45339261 is about 6733.4434726966. The cubic root of 45339261 is about 356.5809565886.

The spelling of 45339261 in words is "forty-five million, three hundred thirty-nine thousand, two hundred sixty-one".