1142660154 has 16 divisors (see below), whose sum is σ = 2290603392. Its totient is φ = 380006208.

The previous prime is 1142660137. The next prime is 1142660213. The reversal of 1142660154 is 4510662411.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217314 + ... + 222509.

It is an arithmetic number, because the mean of its divisors is an integer number (143162712).

Almost surely, 2^1142660154 is an apocalyptic number.

1142660154 is an abundant number, since it is smaller than the sum of its proper divisors (1147943238).

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

1142660154 is a wasteful number, since it uses less digits than its factorization.

1142660154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440261.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 1142660154 is about 33803.2565590950. The cubic root of 1142660154 is about 1045.4558434936.

The spelling of 1142660154 in words is "one billion, one hundred forty-two million, six hundred sixty thousand, one hundred fifty-four".