1142000642 has 32 divisors (see below), whose sum is σ = 1787028480. Its totient is φ = 546943680.

The previous prime is 1142000641. The next prime is 1142000663. The reversal of 1142000642 is 2460002411.

It is not an unprimeable number, because it can be changed into a prime (1142000641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1587959 + ... + 1588677.

It is an arithmetic number, because the mean of its divisors is an integer number (55844640).

Almost surely, 2^1142000642 is an apocalyptic number.

It is a pronic number, being equal to 33793×33794.

1142000642 is a deficient number, since it is larger than the sum of its proper divisors (645027838).

1142000642 is a wasteful number, since it uses less digits than its factorization.

1142000642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1142000642 is about 33793.4999963011. The cubic root of 1142000642 is about 1045.2546686689.

The spelling of 1142000642 in words is "one billion, one hundred forty-two million, six hundred forty-two", and thus it is an aban number.