1162142456 has 32 divisors (see below), whose sum is σ = 2224128000. Its totient is φ = 569159136.

The previous prime is 1162142453. The next prime is 1162142473. The reversal of 1162142456 is 6542412611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1162142453) 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, 73025 + ... + 87503.

It is an arithmetic number, because the mean of its divisors is an integer number (69504000).

Almost surely, 2^1162142456 is an apocalyptic number.

It is an amenable number.

1162142456 is a deficient number, since it is larger than the sum of its proper divisors (1061985544).

1162142456 is a wasteful number, since it uses less digits than its factorization.

1162142456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14691 (or 14687 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 1162142456 is about 34090.2105596313. The cubic root of 1162142456 is about 1051.3640491240.

The spelling of 1162142456 in words is "one billion, one hundred sixty-two million, one hundred forty-two thousand, four hundred fifty-six".