44242137 has 12 divisors (see below), whose sum is σ = 64074660. Its totient is φ = 29416608.

The previous prime is 44242097. The next prime is 44242147. The reversal of 44242137 is 73124244.

44242137 is a `hidden beast` number, since 442 + 4 + 213 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7080921 + 37161216 = 2661^2 + 6096^2 .

It is not a de Polignac number, because 44242137 - 2¹¹ = 44240089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44242137.

It is not an unprimeable number, because it can be changed into a prime (44242147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2818 + ... + 9819.

It is an arithmetic number, because the mean of its divisors is an integer number (5339555).

Almost surely, 2^44242137 is an apocalyptic number.

It is an amenable number.

44242137 is a deficient number, since it is larger than the sum of its proper divisors (19832523).

44242137 is a wasteful number, since it uses less digits than its factorization.

44242137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13032 (or 13029 counting only the distinct ones).

The product of its digits is 5376, while the sum is 27.

The square root of 44242137 is about 6651.4763022956. The cubic root of 44242137 is about 353.6812461535.

It can be divided in two parts, 4424 and 2137, that added together give a 8-th power (6561 = 3⁸).

The spelling of 44242137 in words is "forty-four million, two hundred forty-two thousand, one hundred thirty-seven".