142513452 has 96 divisors (see below), whose sum is σ = 392000000. Its totient is φ = 44649792.

The previous prime is 142513429. The next prime is 142513487. The reversal of 142513452 is 254315241.

142513452 is a `hidden beast` number, since 142 + 513 + 4 + 5 + 2 = 666.

142513452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 408174 + ... + 408522.

Almost surely, 2^142513452 is an apocalyptic number.

142513452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142513452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196000000).

142513452 is an abundant number, since it is smaller than the sum of its proper divisors (249486548).

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

142513452 is a wasteful number, since it uses less digits than its factorization.

142513452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580 (or 572 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 142513452 is about 11937.8998152941. The cubic root of 142513452 is about 522.3383986251.

Adding to 142513452 its reverse (254315241), we get a palindrome (396828693).

The spelling of 142513452 in words is "one hundred forty-two million, five hundred thirteen thousand, four hundred fifty-two".