142743064 has 8 divisors (see below), whose sum is σ = 267643260. Its totient is φ = 71371528.

The previous prime is 142743061. The next prime is 142743121. The reversal of 142743064 is 460347241.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142743061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8921434 + ... + 8921449.

Almost surely, 2^142743064 is an apocalyptic number.

It is an amenable number.

142743064 is a deficient number, since it is larger than the sum of its proper divisors (124900196).

142743064 is a wasteful number, since it uses less digits than its factorization.

142743064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17842889 (or 17842885 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 142743064 is about 11947.5128792565. The cubic root of 142743064 is about 522.6187717144.

The spelling of 142743064 in words is "one hundred forty-two million, seven hundred forty-three thousand, sixty-four".