2155065154 has 8 divisors (see below), whose sum is σ = 3526470288. Its totient is φ = 979575060.

The previous prime is 2155065131. The next prime is 2155065181. The reversal of 2155065154 is 4515605512.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48978732 + ... + 48978775.

It is an arithmetic number, because the mean of its divisors is an integer number (440808786).

Almost surely, 2^2155065154 is an apocalyptic number.

2155065154 is a deficient number, since it is larger than the sum of its proper divisors (1371405134).

2155065154 is a wasteful number, since it uses less digits than its factorization.

2155065154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97957520.

The product of its (nonzero) digits is 30000, while the sum is 34.

The square root of 2155065154 is about 46422.6793065631. The cubic root of 2155065154 is about 1291.6756371341.

The spelling of 2155065154 in words is "two billion, one hundred fifty-five million, sixty-five thousand, one hundred fifty-four".