155154230028 has 96 divisors (see below), whose sum is σ = 462050265600. Its totient is φ = 44104713408.

The previous prime is 155154229999. The next prime is 155154230029. The reversal of 155154230028 is 820032451551.

155154230028 is a `hidden beast` number, since 1 + 551 + 54 + 2 + 30 + 0 + 28 = 666.

155154230028 is digitally balanced in base 2, because in such base 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 (36).

It is a junction number, because it is equal to n+sod(n) for n = 155154229974 and 155154230001.

It is not an unprimeable number, because it can be changed into a prime (155154230029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 371958 + ... + 669821.

It is an arithmetic number, because the mean of its divisors is an integer number (4813023600).

Almost surely, 2^155154230028 is an apocalyptic number.

155154230028 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

155154230028 is an abundant number, since it is smaller than the sum of its proper divisors (306896035572).

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

155154230028 is a wasteful number, since it uses less digits than its factorization.

155154230028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041996 (or 1041988 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

Adding to 155154230028 its reverse (820032451551), we get a palindrome (975186681579).

The spelling of 155154230028 in words is "one hundred fifty-five billion, one hundred fifty-four million, two hundred thirty thousand, twenty-eight".