44142536 has 16 divisors (see below), whose sum is σ = 82849740. Its totient is φ = 22049280.

The previous prime is 44142521. The next prime is 44142547. The reversal of 44142536 is 63524144.

It can be written as a sum of positive squares in 2 ways, for example, as 33709636 + 10432900 = 5806^2 + 3230^2 .

It is a super-2 number, since 2×44142536² = 3897126969022592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 44142499 and 44142508.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8480 + ... + 12656.

Almost surely, 2^44142536 is an apocalyptic number.

It is an amenable number.

44142536 is a deficient number, since it is larger than the sum of its proper divisors (38707204).

44142536 is a wasteful number, since it uses less digits than its factorization.

44142536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5504 (or 5500 counting only the distinct ones).

The product of its digits is 11520, while the sum is 29.

The square root of 44142536 is about 6643.9849488090. The cubic root of 44142536 is about 353.4156360627.

The spelling of 44142536 in words is "forty-four million, one hundred forty-two thousand, five hundred thirty-six".