1153142045 has 32 divisors (see below), whose sum is σ = 1602167040. Its totient is φ = 787440640.

The previous prime is 1153142017. The next prime is 1153142047. The reversal of 1153142045 is 5402413511.

It is not a de Polignac number, because 1153142045 - 2⁶ = 1153141981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153142047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 474704 + ... + 477126.

It is an arithmetic number, because the mean of its divisors is an integer number (50067720).

Almost surely, 2^1153142045 is an apocalyptic number.

It is an amenable number.

1153142045 is a deficient number, since it is larger than the sum of its proper divisors (449024995).

1153142045 is a wasteful number, since it uses less digits than its factorization.

1153142045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2965.

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

The square root of 1153142045 is about 33957.9452411361. The cubic root of 1153142045 is about 1048.6428558436.

Adding to 1153142045 its reverse (5402413511), we get a palindrome (6555555556).

The spelling of 1153142045 in words is "one billion, one hundred fifty-three million, one hundred forty-two thousand, forty-five".