155154454860 has 48 divisors (see below), whose sum is σ = 457297344000. Its totient is φ = 39196914624.

The previous prime is 155154454817. The next prime is 155154454907. The reversal of 155154454860 is 68454451551.

155154454860 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-5 number, since 5×155154454860⁵ (a number of 57 digits) contains 55555 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 68049060 + ... + 68051339.

It is an arithmetic number, because the mean of its divisors is an integer number (9527028000).

Almost surely, 2^155154454860 is an apocalyptic number.

155154454860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155154454860 is an abundant number, since it is smaller than the sum of its proper divisors (302142889140).

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

155154454860 is a wasteful number, since it uses less digits than its factorization.

155154454860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136100430 (or 136100428 counting only the distinct ones).

The product of its (nonzero) digits is 1920000, while the sum is 48.

The spelling of 155154454860 in words is "one hundred fifty-five billion, one hundred fifty-four million, four hundred fifty-four thousand, eight hundred sixty".