142201249 has 8 divisors (see below), whose sum is σ = 152395200. Its totient is φ = 132341616.

The previous prime is 142201237. The next prime is 142201253. The reversal of 142201249 is 942102241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142201249 - 2⁵ = 142201217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142201229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82699 + ... + 84400.

It is an arithmetic number, because the mean of its divisors is an integer number (19049400).

Almost surely, 2^142201249 is an apocalyptic number.

It is an amenable number.

142201249 is a deficient number, since it is larger than the sum of its proper divisors (10193951).

142201249 is a wasteful number, since it uses less digits than its factorization.

142201249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167159.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 142201249 is about 11924.8165185046. The cubic root of 142201249 is about 521.9566923354.

The spelling of 142201249 in words is "one hundred forty-two million, two hundred one thousand, two hundred forty-nine".