232142549 has 2 divisors, whose sum is σ = 232142550. Its totient is φ = 232142548.

The previous prime is 232142507. The next prime is 232142557. The reversal of 232142549 is 945241232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 231587524 + 555025 = 15218^2 + 745^2 .

It is a cyclic number.

It is not a de Polignac number, because 232142549 - 2¹² = 232138453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232142569) 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 as a sum of consecutive naturals, namely, 116071274 + 116071275.

It is an arithmetic number, because the mean of its divisors is an integer number (116071275).

Almost surely, 2^232142549 is an apocalyptic number.

It is an amenable number.

232142549 is a deficient number, since it is larger than the sum of its proper divisors (1).

232142549 is an equidigital number, since it uses as much as digits as its factorization.

232142549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 32.

The square root of 232142549 is about 15236.2248933258. The cubic root of 232142549 is about 614.5891887071.

The spelling of 232142549 in words is "two hundred thirty-two million, one hundred forty-two thousand, five hundred forty-nine".