44145550531 has 4 divisors (see below), whose sum is σ = 44148442000. Its totient is φ = 44142659064.

The previous prime is 44145550529. The next prime is 44145550541. The reversal of 44145550531 is 13505554144.

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

It is a cyclic number.

It is not a de Polignac number, because 44145550531 - 2¹ = 44145550529 is a prime.

It is a super-2 number, since 2×44145550531² (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 (44145550541) 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, 1422711 + ... + 1453408.

It is an arithmetic number, because the mean of its divisors is an integer number (11037110500).

Almost surely, 2^44145550531 is an apocalyptic number.

44145550531 is a deficient number, since it is larger than the sum of its proper divisors (2891469).

44145550531 is a wasteful number, since it uses less digits than its factorization.

44145550531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2891468.

The product of its (nonzero) digits is 120000, while the sum is 37.

The spelling of 44145550531 in words is "forty-four billion, one hundred forty-five million, five hundred fifty thousand, five hundred thirty-one".