45126461 has 4 divisors (see below), whose sum is σ = 45254652. Its totient is φ = 44998272.

The previous prime is 45126457. The next prime is 45126467. The reversal of 45126461 is 16462154.

45126461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15760900 + 29365561 = 3970^2 + 5419^2 .

It is a cyclic number.

It is not a de Polignac number, because 45126461 - 2² = 45126457 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45126467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63566 + ... + 64271.

It is an arithmetic number, because the mean of its divisors is an integer number (11313663).

Almost surely, 2^45126461 is an apocalyptic number.

It is an amenable number.

45126461 is a deficient number, since it is larger than the sum of its proper divisors (128191).

45126461 is a wasteful number, since it uses less digits than its factorization.

45126461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128190.

The product of its digits is 5760, while the sum is 29.

The square root of 45126461 is about 6717.6231659717. The cubic root of 45126461 is about 356.0222101406.

It can be divided in two parts, 451 and 26461, that multiplied together give a palindrome (11933911).

The spelling of 45126461 in words is "forty-five million, one hundred twenty-six thousand, four hundred sixty-one".