141442431 has 16 divisors (see below), whose sum is σ = 215044704. Its totient is φ = 81921024.

The previous prime is 141442423. The next prime is 141442451. The reversal of 141442431 is 134244141.

It is not a de Polignac number, because 141442431 - 2³ = 141442423 is a prime.

It is a super-2 number, since 2×141442431² = 40011922574379522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141442451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106006 + ... + 107331.

It is an arithmetic number, because the mean of its divisors is an integer number (13440294).

Almost surely, 2^141442431 is an apocalyptic number.

141442431 is a deficient number, since it is larger than the sum of its proper divisors (73602273).

141442431 is a wasteful number, since it uses less digits than its factorization.

141442431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213370.

The product of its digits is 1536, while the sum is 24.

The square root of 141442431 is about 11892.9572016383. The cubic root of 141442431 is about 521.0266097031.

Adding to 141442431 its reverse (134244141), we get a palindrome (275686572).

The spelling of 141442431 in words is "one hundred forty-one million, four hundred forty-two thousand, four hundred thirty-one".