1152146140 has 24 divisors (see below), whose sum is σ = 2420157600. Its totient is φ = 460734528.

The previous prime is 1152146131. The next prime is 1152146143. The reversal of 1152146140 is 416412511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1152146143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119334 + ... + 128626.

It is an arithmetic number, because the mean of its divisors is an integer number (100839900).

Almost surely, 2^1152146140 is an apocalyptic number.

1152146140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1152146140 is an abundant number, since it is smaller than the sum of its proper divisors (1268011460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1152146140 is a wasteful number, since it uses less digits than its factorization.

1152146140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15501 (or 15499 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 1152146140 is about 33943.2782742033. The cubic root of 1152146140 is about 1048.3408839513.

Adding to 1152146140 its reverse (416412511), we get a palindrome (1568558651).

The spelling of 1152146140 in words is "one billion, one hundred fifty-two million, one hundred forty-six thousand, one hundred forty".