154344322456 has 8 divisors (see below), whose sum is σ = 289395604620. Its totient is φ = 77172161224.

The previous prime is 154344322411. The next prime is 154344322459. The reversal of 154344322456 is 654223443451.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154344322459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9646520146 + ... + 9646520161.

Almost surely, 2^154344322456 is an apocalyptic number.

It is an amenable number.

154344322456 is a deficient number, since it is larger than the sum of its proper divisors (135051282164).

154344322456 is a wasteful number, since it uses less digits than its factorization.

154344322456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19293040313 (or 19293040309 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 43.

The spelling of 154344322456 in words is "one hundred fifty-four billion, three hundred forty-four million, three hundred twenty-two thousand, four hundred fifty-six".