44146138 has 8 divisors (see below), whose sum is σ = 67468788. Its totient is φ = 21656544.

The previous prime is 44146117. The next prime is 44146147. The reversal of 44146138 is 83164144.

It can be written as a sum of positive squares in 2 ways, for example, as 42081169 + 2064969 = 6487^2 + 1437^2 .

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

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, 208131 + ... + 208342.

Almost surely, 2^44146138 is an apocalyptic number.

44146138 is a deficient number, since it is larger than the sum of its proper divisors (23322650).

44146138 is a wasteful number, since it uses less digits than its factorization.

44146138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416528.

The product of its digits is 9216, while the sum is 31.

The square root of 44146138 is about 6644.2560155370. The cubic root of 44146138 is about 353.4252486240.

The spelling of 44146138 in words is "forty-four million, one hundred forty-six thousand, one hundred thirty-eight".