142944593 has 8 divisors (see below), whose sum is σ = 157484736. Its totient is φ = 128662000.

The previous prime is 142944583. The next prime is 142944611. The reversal of 142944593 is 395449241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142944593 - 2⁴ = 142944577 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142944593.

It is not an unprimeable number, because it can be changed into a prime (142944553) 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, 63221 + ... + 65442.

It is an arithmetic number, because the mean of its divisors is an integer number (19685592).

Almost surely, 2^142944593 is an apocalyptic number.

It is an amenable number.

142944593 is a deficient number, since it is larger than the sum of its proper divisors (14540143).

142944593 is a wasteful number, since it uses less digits than its factorization.

142944593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128775.

The product of its digits is 155520, while the sum is 41.

The square root of 142944593 is about 11955.9438355991. The cubic root of 142944593 is about 522.8646057520.

The spelling of 142944593 in words is "one hundred forty-two million, nine hundred forty-four thousand, five hundred ninety-three".