1165625142 has 32 divisors (see below), whose sum is σ = 2653758720. Its totient is φ = 337861920.

The previous prime is 1165625137. The next prime is 1165625161. The reversal of 1165625142 is 2415265611.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 382417 + ... + 385452.

It is an arithmetic number, because the mean of its divisors is an integer number (82929960).

Almost surely, 2^1165625142 is an apocalyptic number.

1165625142 is an abundant number, since it is smaller than the sum of its proper divisors (1488133578).

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

1165625142 is a wasteful number, since it uses less digits than its factorization.

1165625142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767908.

The product of its digits is 14400, while the sum is 33.

The square root of 1165625142 is about 34141.2527889648. The cubic root of 1165625142 is about 1052.4132375637.

The spelling of 1165625142 in words is "one billion, one hundred sixty-five million, six hundred twenty-five thousand, one hundred forty-two".