1146785157 has 24 divisors (see below), whose sum is σ = 1894052160. Its totient is φ = 654978240.

The previous prime is 1146785153. The next prime is 1146785161. The reversal of 1146785157 is 7515876411.

It is an interprime number because it is at equal distance from previous prime (1146785153) and next prime (1146785161).

It is not a de Polignac number, because 1146785157 - 2² = 1146785153 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1146785153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 183982 + ... + 190112.

It is an arithmetic number, because the mean of its divisors is an integer number (78918840).

Almost surely, 2^1146785157 is an apocalyptic number.

It is an amenable number.

1146785157 is a deficient number, since it is larger than the sum of its proper divisors (747267003).

1146785157 is a wasteful number, since it uses less digits than its factorization.

1146785157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9113 (or 9110 counting only the distinct ones).

The product of its digits is 235200, while the sum is 45.

The square root of 1146785157 is about 33864.2164681246. The cubic root of 1146785157 is about 1046.7123645083.

The spelling of 1146785157 in words is "one billion, one hundred forty-six million, seven hundred eighty-five thousand, one hundred fifty-seven".