142572135 has 8 divisors (see below), whose sum is σ = 228115440. Its totient is φ = 76038464.

The previous prime is 142572127. The next prime is 142572167. The reversal of 142572135 is 531275241.

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 142572135 - 2³ = 142572127 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4752390 + ... + 4752419.

It is an arithmetic number, because the mean of its divisors is an integer number (28514430).

Almost surely, 2^142572135 is an apocalyptic number.

142572135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

142572135 is a deficient number, since it is larger than the sum of its proper divisors (85543305).

142572135 is an equidigital number, since it uses as much as digits as its factorization.

142572135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9504817.

The product of its digits is 8400, while the sum is 30.

The square root of 142572135 is about 11940.3574067111. The cubic root of 142572135 is about 522.4100835024.

The spelling of 142572135 in words is "one hundred forty-two million, five hundred seventy-two thousand, one hundred thirty-five".