142512453 has 12 divisors (see below), whose sum is σ = 213475808. Its totient is φ = 95008140.

The previous prime is 142512443. The next prime is 142512463. The reversal of 142512453 is 354215241.

142512453 is a `hidden beast` number, since 142 + 512 + 4 + 5 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (142512443) and next prime (142512463).

It is not a de Polignac number, because 142512453 - 2¹² = 142508357 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142512443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 292993 + ... + 293478.

Almost surely, 2^142512453 is an apocalyptic number.

It is an amenable number.

142512453 is a deficient number, since it is larger than the sum of its proper divisors (70963355).

142512453 is an frugal number, since it uses more digits than its factorization.

142512453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586486 (or 586474 counting only the distinct ones).

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

The square root of 142512453 is about 11937.8579736903. The cubic root of 142512453 is about 522.3371781151.

Adding to 142512453 its reverse (354215241), we get a palindrome (496727694).

The spelling of 142512453 in words is "one hundred forty-two million, five hundred twelve thousand, four hundred fifty-three".