142124413 has 4 divisors (see below), whose sum is σ = 142177248. Its totient is φ = 142071580.

The previous prime is 142124401. The next prime is 142124419. The reversal of 142124413 is 314421241.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 314421241 = 1669 ⋅188389.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142124413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142124419) 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, 22153 + ... + 27838.

It is an arithmetic number, because the mean of its divisors is an integer number (35544312).

Almost surely, 2^142124413 is an apocalyptic number.

It is an amenable number.

142124413 is a deficient number, since it is larger than the sum of its proper divisors (52835).

142124413 is an equidigital number, since it uses as much as digits as its factorization.

142124413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52834.

The product of its digits is 768, while the sum is 22.

The square root of 142124413 is about 11921.5943984016. The cubic root of 142124413 is about 521.8626652899.

Adding to 142124413 its reverse (314421241), we get a palindrome (456545654).

The spelling of 142124413 in words is "one hundred forty-two million, one hundred twenty-four thousand, four hundred thirteen".