142370431 has 12 divisors (see below), whose sum is σ = 165863160. Its totient is φ = 121848720.

The previous prime is 142370419. The next prime is 142370453. The reversal of 142370431 is 134073241.

It is not a de Polignac number, because 142370431 - 2⁷ = 142370303 is a prime.

It is a super-2 number, since 2×142370431² = 40538679246251522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142370396 and 142370405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142370131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38460 + ... + 41998.

It is an arithmetic number, because the mean of its divisors is an integer number (13821930).

Almost surely, 2^142370431 is an apocalyptic number.

142370431 is a deficient number, since it is larger than the sum of its proper divisors (23492729).

142370431 is an equidigital number, since it uses as much as digits as its factorization.

142370431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4374 (or 4367 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 142370431 is about 11931.9081039036. The cubic root of 142370431 is about 522.1636072552.

The spelling of 142370431 in words is "one hundred forty-two million, three hundred seventy thousand, four hundred thirty-one".