45229261 has 16 divisors (see below), whose sum is σ = 56654208. Its totient is φ = 35078400.

The previous prime is 45229259. The next prime is 45229271. The reversal of 45229261 is 16292254.

It is not a de Polignac number, because 45229261 - 2¹ = 45229259 is a prime.

It is a super-2 number, since 2×45229261² = 4091372101212242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45229211) 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, 16681 + ... + 19201.

It is an arithmetic number, because the mean of its divisors is an integer number (3540888).

Almost surely, 2^45229261 is an apocalyptic number.

It is an amenable number.

45229261 is a deficient number, since it is larger than the sum of its proper divisors (11424947).

45229261 is a wasteful number, since it uses less digits than its factorization.

45229261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2772.

The product of its digits is 8640, while the sum is 31.

The square root of 45229261 is about 6725.2703291392. The cubic root of 45229261 is about 356.2923497002.

The spelling of 45229261 in words is "forty-five million, two hundred twenty-nine thousand, two hundred sixty-one".