150544434431 has 16 divisors (see below), whose sum is σ = 156766057344. Its totient is φ = 144452765184.

The previous prime is 150544434421. The next prime is 150544434451. The reversal of 150544434431 is 134434445051.

It is a cyclic number.

It is not a de Polignac number, because 150544434431 - 2¹⁰ = 150544433407 is a prime.

It is a super-2 number, since 2×150544434431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150544434401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3398135 + ... + 3442151.

It is an arithmetic number, because the mean of its divisors is an integer number (9797878584).

Almost surely, 2^150544434431 is an apocalyptic number.

150544434431 is a deficient number, since it is larger than the sum of its proper divisors (6221622913).

150544434431 is a wasteful number, since it uses less digits than its factorization.

150544434431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45490.

The product of its (nonzero) digits is 230400, while the sum is 38.

Adding to 150544434431 its reverse (134434445051), we get a palindrome (284978879482).

The spelling of 150544434431 in words is "one hundred fifty billion, five hundred forty-four million, four hundred thirty-four thousand, four hundred thirty-one".