1140245153 has 4 divisors (see below), whose sum is σ = 1140464688. Its totient is φ = 1140025620.

The previous prime is 1140245143. The next prime is 1140245173. The reversal of 1140245153 is 3515420411.

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.

It is a cyclic number.

It is not a de Polignac number, because 1140245153 - 2¹⁰ = 1140244129 is a prime.

It is a super-3 number, since 3×1140245153³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1140245143) 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, 101783 + ... + 112428.

It is an arithmetic number, because the mean of its divisors is an integer number (285116172).

Almost surely, 2^1140245153 is an apocalyptic number.

It is an amenable number.

1140245153 is a deficient number, since it is larger than the sum of its proper divisors (219535).

1140245153 is an equidigital number, since it uses as much as digits as its factorization.

1140245153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219534.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1140245153 is about 33767.5162397236. The cubic root of 1140245153 is about 1044.7188037922.

Adding to 1140245153 its reverse (3515420411), we get a palindrome (4655665564).

The spelling of 1140245153 in words is "one billion, one hundred forty million, two hundred forty-five thousand, one hundred fifty-three".