2256154 has 8 divisors (see below), whose sum is σ = 3391668. Its totient is φ = 1125600.

The previous prime is 2256131. The next prime is 2256169. The reversal of 2256154 is 4516522.

It can be written as a sum of positive squares in 2 ways, for example, as 2117025 + 139129 = 1455^2 + 373^2 .

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

It is an Ulam number.

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, 264 + ... + 2140.

2^2256154 is an apocalyptic number.

2256154 is a deficient number, since it is larger than the sum of its proper divisors (1135514).

2256154 is a wasteful number, since it uses less digits than its factorization.

2256154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2480.

The product of its digits is 2400, while the sum is 25.

The square root of 2256154 is about 1502.0499325921. The cubic root of 2256154 is about 131.1564279389.

The spelling of 2256154 in words is "two million, two hundred fifty-six thousand, one hundred fifty-four".