45511761 has 4 divisors (see below), whose sum is σ = 60682352. Its totient is φ = 30341172.

The previous prime is 45511747. The next prime is 45511769. The reversal of 45511761 is 16711554.

45511761 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 45511761 - 2¹⁷ = 45380689 is a prime.

It is a super-2 number, since 2×45511761² = 4142640778642242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45511769) 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, 7585291 + ... + 7585296.

It is an arithmetic number, because the mean of its divisors is an integer number (15170588).

Almost surely, 2^45511761 is an apocalyptic number.

It is an amenable number.

45511761 is a deficient number, since it is larger than the sum of its proper divisors (15170591).

45511761 is a wasteful number, since it uses less digits than its factorization.

45511761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15170590.

The product of its digits is 4200, while the sum is 30.

The square root of 45511761 is about 6746.2405086092. The cubic root of 45511761 is about 357.0326061439.

The spelling of 45511761 in words is "forty-five million, five hundred eleven thousand, seven hundred sixty-one".