142630413 has 4 divisors (see below), whose sum is σ = 190173888. Its totient is φ = 95086940.

The previous prime is 142630403. The next prime is 142630427. The reversal of 142630413 is 314036241.

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.

It is a cyclic number.

It is not a de Polignac number, because 142630413 - 2⁹ = 142629901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142630403) 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, 23771733 + ... + 23771738.

It is an arithmetic number, because the mean of its divisors is an integer number (47543472).

Almost surely, 2^142630413 is an apocalyptic number.

It is an amenable number.

142630413 is a deficient number, since it is larger than the sum of its proper divisors (47543475).

142630413 is an equidigital number, since it uses as much as digits as its factorization.

142630413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47543474.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 142630413 is about 11942.7975365908. The cubic root of 142630413 is about 522.4812541827.

Adding to 142630413 its reverse (314036241), we get a palindrome (456666654).

The spelling of 142630413 in words is "one hundred forty-two million, six hundred thirty thousand, four hundred thirteen".