142089651 has 12 divisors (see below), whose sum is σ = 223899000. Its totient is φ = 86114880.

The previous prime is 142089631. The next prime is 142089659. The reversal of 142089651 is 156980241.

142089651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 142089651 - 2¹⁰ = 142088627 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (142089659) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 717526 + ... + 717723.

It is an arithmetic number, because the mean of its divisors is an integer number (18658250).

Almost surely, 2^142089651 is an apocalyptic number.

142089651 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

142089651 is a deficient number, since it is larger than the sum of its proper divisors (81809349).

142089651 is a wasteful number, since it uses less digits than its factorization.

142089651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1435266 (or 1435263 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 142089651 is about 11920.1363666696. The cubic root of 142089651 is about 521.8201146147.

The spelling of 142089651 in words is "one hundred forty-two million, eighty-nine thousand, six hundred fifty-one".