142573331 has 2 divisors, whose sum is σ = 142573332. Its totient is φ = 142573330.

The previous prime is 142573313. The next prime is 142573363. The reversal of 142573331 is 133375241.

Together with previous prime (142573313) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is an emirp because it is prime and its reverse (133375241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142573331 - 2¹⁸ = 142311187 is a prime.

It is a super-2 number, since 2×142573331² = 40654309424871122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142573294 and 142573303.

It is not a weakly prime, because it can be changed into another prime (142573391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71286665 + 71286666.

It is an arithmetic number, because the mean of its divisors is an integer number (71286666).

Almost surely, 2^142573331 is an apocalyptic number.

142573331 is a deficient number, since it is larger than the sum of its proper divisors (1).

142573331 is an equidigital number, since it uses as much as digits as its factorization.

142573331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7560, while the sum is 29.

The square root of 142573331 is about 11940.4074888590. The cubic root of 142573331 is about 522.4115442851.

The spelling of 142573331 in words is "one hundred forty-two million, five hundred seventy-three thousand, three hundred thirty-one".