44152138 has 8 divisors (see below), whose sum is σ = 66468132. Its totient is φ = 21996096.

The previous prime is 44152103. The next prime is 44152139. The reversal of 44152138 is 83125144.

It can be written as a sum of positive squares in 2 ways, for example, as 42029289 + 2122849 = 6483^2 + 1457^2 .

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

It is a super-2 number, since 2×44152138² = 3898822579942088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (44152139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39295 + ... + 40402.

Almost surely, 2^44152138 is an apocalyptic number.

44152138 is a deficient number, since it is larger than the sum of its proper divisors (22315994).

44152138 is a wasteful number, since it uses less digits than its factorization.

44152138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79976.

The product of its digits is 3840, while the sum is 28.

The square root of 44152138 is about 6644.7075180176. The cubic root of 44152138 is about 353.4412595030.

The spelling of 44152138 in words is "forty-four million, one hundred fifty-two thousand, one hundred thirty-eight".