142049807 has 8 divisors (see below), whose sum is σ = 151958016. Its totient is φ = 132314112.

The previous prime is 142049783. The next prime is 142049819. The reversal of 142049807 is 708940241.

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 142049807 - 2¹² = 142045711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142049837) 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, 41423 + ... + 44720.

It is an arithmetic number, because the mean of its divisors is an integer number (18994752).

Almost surely, 2^142049807 is an apocalyptic number.

142049807 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

142049807 is a deficient number, since it is larger than the sum of its proper divisors (9908209).

142049807 is an equidigital number, since it uses as much as digits as its factorization.

142049807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86257.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 142049807 is about 11918.4649598847. The cubic root of 142049807 is about 521.7713347441.

The spelling of 142049807 in words is "one hundred forty-two million, forty-nine thousand, eight hundred seven".