142709052 has 12 divisors (see below), whose sum is σ = 332987816. Its totient is φ = 47569680.

The previous prime is 142709041. The next prime is 142709059. The reversal of 142709052 is 250907241.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142709059) 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, 5946199 + ... + 5946222.

Almost surely, 2^142709052 is an apocalyptic number.

142709052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142709052 is an abundant number, since it is smaller than the sum of its proper divisors (190278764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142709052 is a wasteful number, since it uses less digits than its factorization.

142709052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11892428 (or 11892426 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 142709052 is about 11946.0894019759. The cubic root of 142709052 is about 522.5772595476.

The spelling of 142709052 in words is "one hundred forty-two million, seven hundred nine thousand, fifty-two".