155015002154 has 8 divisors (see below), whose sum is σ = 232524643140. Its totient is φ = 77506787776.

The previous prime is 155015002141. The next prime is 155015002229. The reversal of 155015002154 is 451200510551.

It can be written as a sum of positive squares in 2 ways, for example, as 151636254025 + 3378748129 = 389405^2 + 58127^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22319 + ... + 557250.

Almost surely, 2^155015002154 is an apocalyptic number.

155015002154 is a deficient number, since it is larger than the sum of its proper divisors (77509640986).

155015002154 is a wasteful number, since it uses less digits than its factorization.

155015002154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713304.

The product of its (nonzero) digits is 5000, while the sum is 29.

The spelling of 155015002154 in words is "one hundred fifty-five billion, fifteen million, two thousand, one hundred fifty-four".