1145051153 has 4 divisors (see below), whose sum is σ = 1145848320. Its totient is φ = 1144253988.

The previous prime is 1145051137. The next prime is 1145051183. The reversal of 1145051153 is 3511505411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3511505411 = 479 ⋅7330909.

It is a cyclic number.

It is not a de Polignac number, because 1145051153 - 2⁴ = 1145051137 is a prime.

It is a super-2 number, since 2×1145051153² = 2622284285973258818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1145051183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 396425 + ... + 399302.

It is an arithmetic number, because the mean of its divisors is an integer number (286462080).

Almost surely, 2^1145051153 is an apocalyptic number.

It is an amenable number.

1145051153 is a deficient number, since it is larger than the sum of its proper divisors (797167).

1145051153 is an equidigital number, since it uses as much as digits as its factorization.

1145051153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797166.

The product of its (nonzero) digits is 1500, while the sum is 26.

The square root of 1145051153 is about 33838.6044777263. The cubic root of 1145051153 is about 1046.1845356233.

Adding to 1145051153 its reverse (3511505411), we get a palindrome (4656556564).

The spelling of 1145051153 in words is "one billion, one hundred forty-five million, fifty-one thousand, one hundred fifty-three".