142761233 has 2 divisors, whose sum is σ = 142761234. Its totient is φ = 142761232.

The previous prime is 142761217. The next prime is 142761323. The reversal of 142761233 is 332167241.

It is a happy number.

Together with next prime (142761323) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124724224 + 18037009 = 11168^2 + 4247^2 .

It is a cyclic number.

It is not a de Polignac number, because 142761233 - 2⁴ = 142761217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142761196 and 142761205.

It is not a weakly prime, because it can be changed into another prime (142766233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71380616 + 71380617.

It is an arithmetic number, because the mean of its divisors is an integer number (71380617).

Almost surely, 2^142761233 is an apocalyptic number.

It is an amenable number.

142761233 is a deficient number, since it is larger than the sum of its proper divisors (1).

142761233 is an equidigital number, since it uses as much as digits as its factorization.

142761233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 29.

The square root of 142761233 is about 11948.2732225205. The cubic root of 142761233 is about 522.6409445550.

The spelling of 142761233 in words is "one hundred forty-two million, seven hundred sixty-one thousand, two hundred thirty-three".