45354981 has 16 divisors (see below), whose sum is σ = 70721024. Its totient is φ = 25313904.

The previous prime is 45354941. The next prime is 45354989. The reversal of 45354981 is 18945354.

It is not a de Polignac number, because 45354981 - 2⁷ = 45354853 is a prime.

It is a super-2 number, since 2×45354981² = 4114148603020722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45354989) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24211 + ... + 26016.

It is an arithmetic number, because the mean of its divisors is an integer number (4420064).

Almost surely, 2^45354981 is an apocalyptic number.

It is an amenable number.

45354981 is a deficient number, since it is larger than the sum of its proper divisors (25366043).

45354981 is a wasteful number, since it uses less digits than its factorization.

45354981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50280.

The product of its digits is 86400, while the sum is 39.

The square root of 45354981 is about 6734.6106791707. The cubic root of 45354981 is about 356.6221630015.

The spelling of 45354981 in words is "forty-five million, three hundred fifty-four thousand, nine hundred eighty-one".