45121461 has 32 divisors (see below), whose sum is σ = 77438976. Its totient is φ = 22680000.

The previous prime is 45121441. The next prime is 45121481. The reversal of 45121461 is 16412154.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (45121441) and next prime (45121481).

It is not a de Polignac number, because 45121461 - 2⁵ = 45121429 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45121411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4011 + ... + 10311.

It is an arithmetic number, because the mean of its divisors is an integer number (2419968).

Almost surely, 2^45121461 is an apocalyptic number.

It is an amenable number.

45121461 is a deficient number, since it is larger than the sum of its proper divisors (32317515).

45121461 is a wasteful number, since it uses less digits than its factorization.

45121461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6353.

The product of its digits is 960, while the sum is 24.

The square root of 45121461 is about 6717.2510002232. The cubic root of 45121461 is about 356.0090605993.

It can be divided in two parts, 451 and 21461, that added together give a palindrome (21912).

The spelling of 45121461 in words is "forty-five million, one hundred twenty-one thousand, four hundred sixty-one".