154155231544412 has 96 divisors (see below), whose sum is σ = 312547767436800. Its totient is φ = 65162409725952.

The previous prime is 154155231544381. The next prime is 154155231544441. The reversal of 154155231544412 is 214445132551451.

It is a super-2 number, since 2×154155231544412² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1708936103 + ... + 1709026305.

It is an arithmetic number, because the mean of its divisors is an integer number (3255705910800).

Almost surely, 2^{154155231544412} is an apocalyptic number.

It is an amenable number.

154155231544412 is an abundant number, since it is smaller than the sum of its proper divisors (158392535892388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

154155231544412 is a wasteful number, since it uses less digits than its factorization.

154155231544412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91995 (or 91993 counting only the distinct ones).

The product of its digits is 1920000, while the sum is 47.

The spelling of 154155231544412 in words is "one hundred fifty-four trillion, one hundred fifty-five billion, two hundred thirty-one million, five hundred forty-four thousand, four hundred twelve".