154424561155434 has 16 divisors (see below), whose sum is σ = 343165691456640. Its totient is φ = 51474853718460.

The previous prime is 154424561155429. The next prime is 154424561155507. The reversal of 154424561155434 is 434551165424451.

154424561155434 is a `hidden beast` number, since 1 + 5 + 4 + 4 + 2 + 4 + 56 + 1 + 1 + 554 + 34 = 666.

154424561155434 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 2859714095471 = 154424561155434 / (1 + 5 + 4 + 4 + 2 + 4 + 5 + 6 + 1 + 1 + 5 + 5 + 4 + 3 + 4).

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, 1429857047682 + ... + 1429857047789.

It is an arithmetic number, because the mean of its divisors is an integer number (21447855716040).

Almost surely, 2^{154424561155434} is an apocalyptic number.

154424561155434 is an abundant number, since it is smaller than the sum of its proper divisors (188741130301206).

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

154424561155434 is a wasteful number, since it uses less digits than its factorization.

154424561155434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2859714095482 (or 2859714095476 counting only the distinct ones).

The product of its digits is 23040000, while the sum is 54.

The spelling of 154424561155434 in words is "one hundred fifty-four trillion, four hundred twenty-four billion, five hundred sixty-one million, one hundred fifty-five thousand, four hundred thirty-four".