45824881 has 4 divisors (see below), whose sum is σ = 46377072. Its totient is φ = 45272692.

The previous prime is 45824873. The next prime is 45824927. The reversal of 45824881 is 18842854.

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 45824881 - 2³ = 45824873 is a prime.

It is a super-2 number, since 2×45824881² = 4199839437328322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45824281) 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, 275971 + ... + 276136.

It is an arithmetic number, because the mean of its divisors is an integer number (11594268).

Almost surely, 2^45824881 is an apocalyptic number.

It is an amenable number.

45824881 is a deficient number, since it is larger than the sum of its proper divisors (552191).

45824881 is an equidigital number, since it uses as much as digits as its factorization.

45824881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552190.

The product of its digits is 81920, while the sum is 40.

The square root of 45824881 is about 6769.4077288933. The cubic root of 45824881 is about 357.8495279123.

It can be divided in two parts, 458248 and 81, that added together give a square (458329 = 677²).

The spelling of 45824881 in words is "forty-five million, eight hundred twenty-four thousand, eight hundred eighty-one".