250164155 has 4 divisors (see below), whose sum is σ = 300196992. Its totient is φ = 200131320.

The previous prime is 250164149. The next prime is 250164157. The reversal of 250164155 is 551461052.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 250164155 - 2⁴ = 250164139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (250164157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25016411 + ... + 25016420.

It is an arithmetic number, because the mean of its divisors is an integer number (75049248).

Almost surely, 2^250164155 is an apocalyptic number.

250164155 is a deficient number, since it is larger than the sum of its proper divisors (50032837).

250164155 is an equidigital number, since it uses as much as digits as its factorization.

250164155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50032836.

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 250164155 is about 15816.5784858799. The cubic root of 250164155 is about 630.0983763398.

The spelling of 250164155 in words is "two hundred fifty million, one hundred sixty-four thousand, one hundred fifty-five".