142043564 has 12 divisors (see below), whose sum is σ = 267697584. Its totient is φ = 65558544.

The previous prime is 142043543. The next prime is 142043569. The reversal of 142043564 is 465340241.

It is not an unprimeable number, because it can be changed into a prime (142043569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1365752 + ... + 1365855.

It is an arithmetic number, because the mean of its divisors is an integer number (22308132).

Almost surely, 2^142043564 is an apocalyptic number.

It is an amenable number.

142043564 is a deficient number, since it is larger than the sum of its proper divisors (125654020).

142043564 is a wasteful number, since it uses less digits than its factorization.

142043564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2731624 (or 2731622 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 142043564 is about 11918.2030524740. The cubic root of 142043564 is about 521.7636907911.

The spelling of 142043564 in words is "one hundred forty-two million, forty-three thousand, five hundred sixty-four".