142535452 has 12 divisors (see below), whose sum is σ = 249746616. Its totient is φ = 71179280.

The previous prime is 142535441. The next prime is 142535453. The reversal of 142535452 is 254535241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142535453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18418 + ... + 24985.

It is an arithmetic number, because the mean of its divisors is an integer number (20812218).

Almost surely, 2^142535452 is an apocalyptic number.

It is an amenable number.

142535452 is a deficient number, since it is larger than the sum of its proper divisors (107211164).

142535452 is a wasteful number, since it uses less digits than its factorization.

142535452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44228 (or 44226 counting only the distinct ones).

The product of its digits is 24000, while the sum is 31.

The square root of 142535452 is about 11938.8212148436. The cubic root of 142535452 is about 522.3652752775.

The spelling of 142535452 in words is "one hundred forty-two million, five hundred thirty-five thousand, four hundred fifty-two".