154540155 has 32 divisors (see below), whose sum is σ = 308279808. Its totient is φ = 64224000.

The previous prime is 154540147. The next prime is 154540163. The reversal of 154540155 is 551045451.

154540155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (154540147) and next prime (154540163).

It is not a de Polignac number, because 154540155 - 2³ = 154540147 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65746 + ... + 68055.

It is an arithmetic number, because the mean of its divisors is an integer number (9633744).

Almost surely, 2^154540155 is an apocalyptic number.

154540155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

154540155 is a deficient number, since it is larger than the sum of its proper divisors (153739653).

154540155 is a wasteful number, since it uses less digits than its factorization.

154540155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133827.

The product of its (nonzero) digits is 10000, while the sum is 30.

The square root of 154540155 is about 12431.4180607041. The cubic root of 154540155 is about 536.6367958289.

It can be divided in two parts, 15454015 and 5, that added together give a triangular number (15454020 = T₅₅₅₉).

The spelling of 154540155 in words is "one hundred fifty-four million, five hundred forty thousand, one hundred fifty-five".