44142513001 has 4 divisors (see below), whose sum is σ = 44161632900. Its totient is φ = 44123393104.

The previous prime is 44142512993. The next prime is 44142513049. The reversal of 44142513001 is 10031524144.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17239952601 + 26902560400 = 131301^2 + 164020^2 .

It is a cyclic number.

It is not a de Polignac number, because 44142513001 - 2³ = 44142512993 is a prime.

It is a super-2 number, since 2×44142513001² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44142513071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9556486 + ... + 9561103.

It is an arithmetic number, because the mean of its divisors is an integer number (11040408225).

Almost surely, 2^44142513001 is an apocalyptic number.

It is an amenable number.

44142513001 is a deficient number, since it is larger than the sum of its proper divisors (19119899).

44142513001 is a wasteful number, since it uses less digits than its factorization.

44142513001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19119898.

The product of its (nonzero) digits is 1920, while the sum is 25.

The spelling of 44142513001 in words is "forty-four billion, one hundred forty-two million, five hundred thirteen thousand, one".