142012452 has 24 divisors (see below), whose sum is σ = 331596832. Its totient is φ = 47304000.

The previous prime is 142012447. The next prime is 142012459. The reversal of 142012452 is 254210241.

142012452 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (142012459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18327 + ... + 24897.

Almost surely, 2^142012452 is an apocalyptic number.

142012452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142012452 is an abundant number, since it is smaller than the sum of its proper divisors (189584380).

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

142012452 is a wasteful number, since it uses less digits than its factorization.

142012452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8379 (or 8377 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 142012452 is about 11916.8977506732. The cubic root of 142012452 is about 521.7255937998.

Adding to 142012452 its reverse (254210241), we get a palindrome (396222693).

It can be divided in two parts, 14201 and 2452, that added together give a triangular number (16653 = T₁₈₂).

The spelling of 142012452 in words is "one hundred forty-two million, twelve thousand, four hundred fifty-two".