154340144455 has 32 divisors (see below), whose sum is σ = 216870787584. Its totient is φ = 103237497216.

The previous prime is 154340144411. The next prime is 154340144461. The reversal of 154340144455 is 554441043451.

It is not a de Polignac number, because 154340144455 - 2²⁹ = 153803273543 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1097032 + ... + 1229698.

It is an arithmetic number, because the mean of its divisors is an integer number (6777212112).

Almost surely, 2^154340144455 is an apocalyptic number.

154340144455 is a deficient number, since it is larger than the sum of its proper divisors (62530643129).

154340144455 is a wasteful number, since it uses less digits than its factorization.

154340144455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133495.

The product of its (nonzero) digits is 384000, while the sum is 40.

The spelling of 154340144455 in words is "one hundred fifty-four billion, three hundred forty million, one hundred forty-four thousand, four hundred fifty-five".