444145631002131 has 8 divisors (see below), whose sum is σ = 592213714638784. Its totient is φ = 296087317350120.

The previous prime is 444145631002121. The next prime is 444145631002133. The reversal of 444145631002131 is 131200136541444.

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

It is not a de Polignac number, because 444145631002131 - 2¹⁵ = 444145630969363 is a prime.

It is a super-2 number, since 2×444145631002131² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 444145631002131.

It is not an unprimeable number, because it can be changed into a prime (444145631002133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2442390085 + ... + 2442571926.

It is an arithmetic number, because the mean of its divisors is an integer number (74026714329848).

Almost surely, 2^{444145631002131} is an apocalyptic number.

444145631002131 is a deficient number, since it is larger than the sum of its proper divisors (148068083636653).

444145631002131 is a wasteful number, since it uses less digits than its factorization.

444145631002131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4884992321.

The product of its (nonzero) digits is 138240, while the sum is 39.

Adding to 444145631002131 its reverse (131200136541444), we get a palindrome (575345767543575).

The spelling of 444145631002131 in words is "four hundred forty-four trillion, one hundred forty-five billion, six hundred thirty-one million, two thousand, one hundred thirty-one".