142800431 has 2 divisors, whose sum is σ = 142800432. Its totient is φ = 142800430.

The previous prime is 142800419. The next prime is 142800467. The reversal of 142800431 is 134008241.

142800431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142800431 - 2¹⁸ = 142538287 is a prime.

It is a super-2 number, since 2×142800431² = 40783926187571522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 142800397 and 142800406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142803431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71400215 + 71400216.

It is an arithmetic number, because the mean of its divisors is an integer number (71400216).

Almost surely, 2^142800431 is an apocalyptic number.

142800431 is a deficient number, since it is larger than the sum of its proper divisors (1).

142800431 is an equidigital number, since it uses as much as digits as its factorization.

142800431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 142800431 is about 11949.9134306488. The cubic root of 142800431 is about 522.6887740780.

Adding to 142800431 its reverse (134008241), we get a palindrome (276808672).

The spelling of 142800431 in words is "one hundred forty-two million, eight hundred thousand, four hundred thirty-one".