142003806 has 32 divisors (see below), whose sum is σ = 324960000. Its totient is φ = 40525056.

The previous prime is 142003793. The next prime is 142003819. The reversal of 142003806 is 608300241.

It is a happy number.

142003806 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (142003793) and next prime (142003819).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51105 + ... + 53811.

It is an arithmetic number, because the mean of its divisors is an integer number (10155000).

Almost surely, 2^142003806 is an apocalyptic number.

142003806 is an abundant number, since it is smaller than the sum of its proper divisors (182956194).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142003806 is a wasteful number, since it uses less digits than its factorization.

142003806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3968.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 142003806 is about 11916.5349829554. The cubic root of 142003806 is about 521.7150056883.

The spelling of 142003806 in words is "one hundred forty-two million, three thousand, eight hundred six".