44145022138 has 16 divisors (see below), whose sum is σ = 77105053440. Its totient is φ = 18562327056.

The previous prime is 44145022099. The next prime is 44145022151. The reversal of 44145022138 is 83122054144.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29746578 + ... + 29748061.

It is an arithmetic number, because the mean of its divisors is an integer number (4819065840).

Almost surely, 2^44145022138 is an apocalyptic number.

44145022138 is a deficient number, since it is larger than the sum of its proper divisors (32960031302).

44145022138 is a wasteful number, since it uses less digits than its factorization.

44145022138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59494701.

The product of its (nonzero) digits is 30720, while the sum is 34.

The spelling of 44145022138 in words is "forty-four billion, one hundred forty-five million, twenty-two thousand, one hundred thirty-eight".