142349061 has 4 divisors (see below), whose sum is σ = 189798752. Its totient is φ = 94899372.

The previous prime is 142349017. The next prime is 142349111. The reversal of 142349061 is 160943241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 142349061 - 2⁷ = 142348933 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142349161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23724841 + ... + 23724846.

It is an arithmetic number, because the mean of its divisors is an integer number (47449688).

Almost surely, 2^142349061 is an apocalyptic number.

It is an amenable number.

142349061 is a deficient number, since it is larger than the sum of its proper divisors (47449691).

142349061 is an equidigital number, since it uses as much as digits as its factorization.

142349061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47449690.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 142349061 is about 11931.0125722840. The cubic root of 142349061 is about 522.1374801197.

The spelling of 142349061 in words is "one hundred forty-two million, three hundred forty-nine thousand, sixty-one".