45844981 has 8 divisors (see below), whose sum is σ = 56424704. Its totient is φ = 36272880.

The previous prime is 45844963. The next prime is 45844987. The reversal of 45844981 is 18944854.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45844981 - 2¹⁵ = 45812213 is a prime.

It is a super-2 number, since 2×45844981² = 4203524565780722, which contains 22 as substring.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45844987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251805 + ... + 251986.

It is an arithmetic number, because the mean of its divisors is an integer number (7053088).

Almost surely, 2^45844981 is an apocalyptic number.

It is an amenable number.

45844981 is a deficient number, since it is larger than the sum of its proper divisors (10579723).

45844981 is a wasteful number, since it uses less digits than its factorization.

45844981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503811.

The product of its digits is 184320, while the sum is 43.

The square root of 45844981 is about 6770.8921864109. The cubic root of 45844981 is about 357.9018410078.

The spelling of 45844981 in words is "forty-five million, eight hundred forty-four thousand, nine hundred eighty-one".