142372801 has 4 divisors (see below), whose sum is σ = 146965504. Its totient is φ = 137780100.

The previous prime is 142372799. The next prime is 142372837. The reversal of 142372801 is 108273241.

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 a cyclic number.

It is not a de Polignac number, because 142372801 - 2¹ = 142372799 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142372801.

It is not an unprimeable number, because it can be changed into a prime (142372891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2296305 + ... + 2296366.

It is an arithmetic number, because the mean of its divisors is an integer number (36741376).

Almost surely, 2^142372801 is an apocalyptic number.

It is an amenable number.

142372801 is a deficient number, since it is larger than the sum of its proper divisors (4592703).

142372801 is an equidigital number, since it uses as much as digits as its factorization.

142372801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4592702.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 142372801 is about 11932.0074170275. The cubic root of 142372801 is about 522.1665046754.

The spelling of 142372801 in words is "one hundred forty-two million, three hundred seventy-two thousand, eight hundred one".