142450231 has 16 divisors (see below), whose sum is σ = 177861888. Its totient is φ = 110836800.

The previous prime is 142450213. The next prime is 142450303. The reversal of 142450231 is 132054241.

It is a cyclic number.

It is not a de Polignac number, because 142450231 - 2⁵ = 142450199 is a prime.

It is a super-2 number, since 2×142450231² = 40584136623906722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142450331) 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 15 ways as a sum of consecutive naturals, for example, 98691 + ... + 100123.

It is an arithmetic number, because the mean of its divisors is an integer number (11116368).

Almost surely, 2^142450231 is an apocalyptic number.

142450231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

142450231 is a deficient number, since it is larger than the sum of its proper divisors (35411657).

142450231 is a wasteful number, since it uses less digits than its factorization.

142450231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2742.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 142450231 is about 11935.2516102510. The cubic root of 142450231 is about 522.2611482796.

The spelling of 142450231 in words is "one hundred forty-two million, four hundred fifty thousand, two hundred thirty-one".