45201261 has 16 divisors (see below), whose sum is σ = 69087744. Its totient is φ = 25750704.

The previous prime is 45201253. The next prime is 45201281. The reversal of 45201261 is 16210254.

It is not a de Polignac number, because 45201261 - 2³ = 45201253 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45201251) 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, 4186 + ... + 10388.

It is an arithmetic number, because the mean of its divisors is an integer number (4317984).

Almost surely, 2^45201261 is an apocalyptic number.

It is an amenable number.

45201261 is a deficient number, since it is larger than the sum of its proper divisors (23886483).

45201261 is a wasteful number, since it uses less digits than its factorization.

45201261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6560.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 45201261 is about 6723.1883061536. The cubic root of 45201261 is about 356.2188114278.

The spelling of 45201261 in words is "forty-five million, two hundred one thousand, two hundred sixty-one".