142745653 has 8 divisors (see below), whose sum is σ = 144771200. Its totient is φ = 140725728.

The previous prime is 142745621. The next prime is 142745663. The reversal of 142745653 is 356547241.

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 142745653 - 2⁵ = 142745621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142745663) 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, 87913 + ... + 89521.

It is an arithmetic number, because the mean of its divisors is an integer number (18096400).

Almost surely, 2^142745653 is an apocalyptic number.

It is an amenable number.

142745653 is a deficient number, since it is larger than the sum of its proper divisors (2025547).

142745653 is a wasteful number, since it uses less digits than its factorization.

142745653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2811.

The product of its digits is 100800, while the sum is 37.

The square root of 142745653 is about 11947.6212276754. The cubic root of 142745653 is about 522.6219313584.

The spelling of 142745653 in words is "one hundred forty-two million, seven hundred forty-five thousand, six hundred fifty-three".