142722033 has 8 divisors (see below), whose sum is σ = 194345088. Its totient is φ = 93123504.

The previous prime is 142722001. The next prime is 142722037. The reversal of 142722033 is 330227241.

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

It is not a de Polignac number, because 142722033 - 2⁵ = 142722001 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 142721994 and 142722012.

It is not an unprimeable number, because it can be changed into a prime (142722037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 505966 + ... + 506247.

It is an arithmetic number, because the mean of its divisors is an integer number (24293136).

Almost surely, 2^142722033 is an apocalyptic number.

It is an amenable number.

142722033 is a deficient number, since it is larger than the sum of its proper divisors (51623055).

142722033 is a wasteful number, since it uses less digits than its factorization.

142722033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012263.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 142722033 is about 11946.6327054949. The cubic root of 142722033 is about 522.5931038350.

Adding to 142722033 its reverse (330227241), we get a palindrome (472949274).

The spelling of 142722033 in words is "one hundred forty-two million, seven hundred twenty-two thousand, thirty-three".