2545154 has 4 divisors (see below), whose sum is σ = 3817734. Its totient is φ = 1272576.

The previous prime is 2545141. The next prime is 2545159. The reversal of 2545154 is 4515452.

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

It can be written as a sum of positive squares in only one way, i.e., 2319529 + 225625 = 1523^2 + 475^2 .

It is not an unprimeable number, because it can be changed into a prime (2545159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 636287 + ... + 636290.

2^2545154 is an apocalyptic number.

2545154 is a deficient number, since it is larger than the sum of its proper divisors (1272580).

2545154 is a wasteful number, since it uses less digits than its factorization.

2545154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1272579.

The product of its digits is 4000, while the sum is 26.

The square root of 2545154 is about 1595.3538792381. The cubic root of 2545154 is about 136.5331222425.

The spelling of 2545154 in words is "two million, five hundred forty-five thousand, one hundred fifty-four".