142232887 has 2 divisors, whose sum is σ = 142232888. Its totient is φ = 142232886.

The previous prime is 142232869. The next prime is 142232891. The reversal of 142232887 is 788232241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142232887 - 2¹¹ = 142230839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142232837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71116443 + 71116444.

It is an arithmetic number, because the mean of its divisors is an integer number (71116444).

Almost surely, 2^142232887 is an apocalyptic number.

142232887 is a deficient number, since it is larger than the sum of its proper divisors (1).

142232887 is an equidigital number, since it uses as much as digits as its factorization.

142232887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43008, while the sum is 37.

The square root of 142232887 is about 11926.1430060183. The cubic root of 142232887 is about 521.9953990777.

The spelling of 142232887 in words is "one hundred forty-two million, two hundred thirty-two thousand, eight hundred eighty-seven".