1145153431 has 2 divisors, whose sum is σ = 1145153432. Its totient is φ = 1145153430.

The previous prime is 1145153377. The next prime is 1145153437. The reversal of 1145153431 is 1343515411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1145153431 - 2²⁷ = 1010935703 is a prime.

It is a super-2 number, since 2×1145153431² = 2622752761062143522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1145153431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1145153437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572576715 + 572576716.

It is an arithmetic number, because the mean of its divisors is an integer number (572576716).

Almost surely, 2^1145153431 is an apocalyptic number.

1145153431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145153431 is an equidigital number, since it uses as much as digits as its factorization.

1145153431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3600, while the sum is 28.

The square root of 1145153431 is about 33840.1157060670. The cubic root of 1145153431 is about 1046.2156837154.

Adding to 1145153431 its reverse (1343515411), we get a palindrome (2488668842).

The spelling of 1145153431 in words is "one billion, one hundred forty-five million, one hundred fifty-three thousand, four hundred thirty-one".