154002155 has 8 divisors (see below), whose sum is σ = 184928832. Its totient is φ = 123117568.

The previous prime is 154002083. The next prime is 154002161. The reversal of 154002155 is 551200451.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 154002155 - 2⁸ = 154001899 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 154002155.

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, 1814 + ... + 17643.

It is an arithmetic number, because the mean of its divisors is an integer number (23116104).

Almost surely, 2^154002155 is an apocalyptic number.

154002155 is a deficient number, since it is larger than the sum of its proper divisors (30926677).

154002155 is a wasteful number, since it uses less digits than its factorization.

154002155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21045.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 154002155 is about 12409.7604731115. The cubic root of 154002155 is about 536.0133413086.

The spelling of 154002155 in words is "one hundred fifty-four million, two thousand, one hundred fifty-five".