45462881 has 4 divisors (see below), whose sum is σ = 47439552. Its totient is φ = 43486212.

The previous prime is 45462871. The next prime is 45462889. The reversal of 45462881 is 18826454.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 45462881 - 2¹⁴ = 45446497 is a prime.

It is a super-2 number, since 2×45462881² = 4133747097640322, which contains 22 as substring.

It is a pancake number, because a pancake can be divided into 45462881 parts by 9535 straight cuts.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45462889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 988301 + ... + 988346.

It is an arithmetic number, because the mean of its divisors is an integer number (11859888).

Almost surely, 2^45462881 is an apocalyptic number.

It is an amenable number.

45462881 is a deficient number, since it is larger than the sum of its proper divisors (1976671).

45462881 is a wasteful number, since it uses less digits than its factorization.

45462881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1976670.

The product of its digits is 61440, while the sum is 38.

The square root of 45462881 is about 6742.6167768901. The cubic root of 45462881 is about 356.9047417201.

The spelling of 45462881 in words is "forty-five million, four hundred sixty-two thousand, eight hundred eighty-one".