44981487 has 14 divisors (see below), whose sum is σ = 67442472. Its totient is φ = 29987172.

The previous prime is 44981479. The next prime is 44981501. The reversal of 44981487 is 78418944.

It is not a de Polignac number, because 44981487 - 2³ = 44981479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44981467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 30123 + ... + 31580.

Almost surely, 2^44981487 is an apocalyptic number.

44981487 is a deficient number, since it is larger than the sum of its proper divisors (22460985).

44981487 is an frugal number, since it uses more digits than its factorization.

44981487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61721 (or 61706 counting only the distinct ones).

The product of its digits is 258048, while the sum is 45.

The square root of 44981487 is about 6706.8239130008. The cubic root of 44981487 is about 355.6405468950.

The spelling of 44981487 in words is "forty-four million, nine hundred eighty-one thousand, four hundred eighty-seven".