253410145 has 8 divisors (see below), whose sum is σ = 307509480. Its totient is φ = 200449920.

The previous prime is 253410139. The next prime is 253410169. The reversal of 253410145 is 541014352.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5536609 + 247873536 = 2353^2 + 15744^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-253410145 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284286 + ... + 285175.

It is an arithmetic number, because the mean of its divisors is an integer number (38438685).

Almost surely, 2^253410145 is an apocalyptic number.

It is an amenable number.

253410145 is a deficient number, since it is larger than the sum of its proper divisors (54099335).

253410145 is an equidigital number, since it uses as much as digits as its factorization.

253410145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569555.

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

The square root of 253410145 is about 15918.8612972160. The cubic root of 253410145 is about 632.8119413032.

Adding to 253410145 its reverse (541014352), we get a palindrome (794424497).

The spelling of 253410145 in words is "two hundred fifty-three million, four hundred ten thousand, one hundred forty-five".