253255146 has 8 divisors (see below), whose sum is σ = 506510304. Its totient is φ = 84418380.

The previous prime is 253255141. The next prime is 253255153. The reversal of 253255146 is 641552352.

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

253255146 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (253255141) 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, 21104590 + ... + 21104601.

It is an arithmetic number, because the mean of its divisors is an integer number (63313788).

Almost surely, 2^253255146 is an apocalyptic number.

253255146 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

253255146 is a wasteful number, since it uses less digits than its factorization.

253255146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42209196.

The product of its digits is 36000, while the sum is 33.

The square root of 253255146 is about 15913.9921452789. The cubic root of 253255146 is about 632.6828946110.

The spelling of 253255146 in words is "two hundred fifty-three million, two hundred fifty-five thousand, one hundred forty-six".