154455964838 has 16 divisors (see below), whose sum is σ = 264806741760. Its totient is φ = 66189141576.

The previous prime is 154455964801. The next prime is 154455964841. The reversal of 154455964838 is 838469554451.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 368048 + ... + 666611.

It is an arithmetic number, because the mean of its divisors is an integer number (16550421360).

Almost surely, 2^154455964838 is an apocalyptic number.

154455964838 is a deficient number, since it is larger than the sum of its proper divisors (110350776922).

154455964838 is a wasteful number, since it uses less digits than its factorization.

154455964838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1045331.

The product of its digits is 82944000, while the sum is 62.

The spelling of 154455964838 in words is "one hundred fifty-four billion, four hundred fifty-five million, nine hundred sixty-four thousand, eight hundred thirty-eight".