155146643154 has 12 divisors (see below), whose sum is σ = 336151060206. Its totient is φ = 51715547712.

The previous prime is 155146643149. The next prime is 155146643177. The reversal of 155146643154 is 451346641551.

155146643154 is a `hidden beast` number, since 1 + 551 + 4 + 6 + 6 + 43 + 1 + 54 = 666.

It can be written as a sum of positive squares in only one way, i.e., 152345799225 + 2800843929 = 390315^2 + 52923^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4309628959 + ... + 4309628994.

Almost surely, 2^155146643154 is an apocalyptic number.

155146643154 is an abundant number, since it is smaller than the sum of its proper divisors (181004417052).

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

155146643154 is a wasteful number, since it uses less digits than its factorization.

155146643154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8619257961 (or 8619257958 counting only the distinct ones).

The product of its digits is 864000, while the sum is 45.

The spelling of 155146643154 in words is "one hundred fifty-five billion, one hundred forty-six million, six hundred forty-three thousand, one hundred fifty-four".