154432064454 has 48 divisors (see below), whose sum is σ = 312715899072. Its totient is φ = 50838827904.

The previous prime is 154432064399. The next prime is 154432064459. The reversal of 154432064454 is 454460234451.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154432064459) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 120367297 + ... + 120368579.

It is an arithmetic number, because the mean of its divisors is an integer number (6514914564).

Almost surely, 2^154432064454 is an apocalyptic number.

154432064454 is an abundant number, since it is smaller than the sum of its proper divisors (158283834618).

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

154432064454 is a wasteful number, since it uses less digits than its factorization.

154432064454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2261 (or 1828 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 42.

The spelling of 154432064454 in words is "one hundred fifty-four billion, four hundred thirty-two million, sixty-four thousand, four hundred fifty-four".