1146143253 has 16 divisors (see below), whose sum is σ = 1593119232. Its totient is φ = 732120000.

The previous prime is 1146143231. The next prime is 1146143267. The reversal of 1146143253 is 3523416411.

It is not a de Polignac number, because 1146143253 - 2⁶ = 1146143189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1146143253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1146143353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51618 + ... + 70403.

It is an arithmetic number, because the mean of its divisors is an integer number (99569952).

Almost surely, 2^1146143253 is an apocalyptic number.

It is an amenable number.

1146143253 is a deficient number, since it is larger than the sum of its proper divisors (446975979).

1146143253 is a wasteful number, since it uses less digits than its factorization.

1146143253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122156.

The product of its digits is 8640, while the sum is 30.

The square root of 1146143253 is about 33854.7375266742. The cubic root of 1146143253 is about 1046.5170317121.

Adding to 1146143253 its reverse (3523416411), we get a palindrome (4669559664).

The spelling of 1146143253 in words is "one billion, one hundred forty-six million, one hundred forty-three thousand, two hundred fifty-three".