254133045 has 56 divisors (see below), whose sum is σ = 462024216. Its totient is φ = 134120448.

The previous prime is 254133043. The next prime is 254133067. The reversal of 254133045 is 540331452.

It can be written as a sum of positive squares in 4 ways, for example, as 23882769 + 230250276 = 4887^2 + 15174^2 .

It is not a de Polignac number, because 254133045 - 2¹ = 254133043 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254133041) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 411577 + ... + 412193.

Almost surely, 2^254133045 is an apocalyptic number.

It is an amenable number.

254133045 is a deficient number, since it is larger than the sum of its proper divisors (207891171).

254133045 is an equidigital number, since it uses as much as digits as its factorization.

254133045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753 (or 738 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 254133045 is about 15941.5508969485. The cubic root of 254133045 is about 633.4131082952.

Adding to 254133045 its reverse (540331452), we get a palindrome (794464497).

The spelling of 254133045 in words is "two hundred fifty-four million, one hundred thirty-three thousand, forty-five".