142868654 has 4 divisors (see below), whose sum is σ = 214302984. Its totient is φ = 71434326.

The previous prime is 142868651. The next prime is 142868689. The reversal of 142868654 is 456868241.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×142868654² = 40822904591543432, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142868651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35717162 + ... + 35717165.

It is an arithmetic number, because the mean of its divisors is an integer number (53575746).

Almost surely, 2^142868654 is an apocalyptic number.

142868654 is a deficient number, since it is larger than the sum of its proper divisors (71434330).

142868654 is an equidigital number, since it uses as much as digits as its factorization.

142868654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71434329.

The product of its digits is 368640, while the sum is 44.

The square root of 142868654 is about 11952.7676292982. The cubic root of 142868654 is about 522.7719991279.

The spelling of 142868654 in words is "one hundred forty-two million, eight hundred sixty-eight thousand, six hundred fifty-four".