142420022033 has 4 divisors (see below), whose sum is σ = 148612196928. Its totient is φ = 136227847140.

The previous prime is 142420022021. The next prime is 142420022081. The reversal of 142420022033 is 330220024241.

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 a de Polignac number, because none of the positive numbers 2^k-142420022033 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 6192174871 = 142420022033 / (1 + 4 + 2 + 4 + 2 + 0 + 0 + 2 + 2 + 0 + 3 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142420072033) 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, 3096087413 + ... + 3096087458.

It is an arithmetic number, because the mean of its divisors is an integer number (37153049232).

Almost surely, 2^142420022033 is an apocalyptic number.

It is an amenable number.

142420022033 is a deficient number, since it is larger than the sum of its proper divisors (6192174895).

142420022033 is an equidigital number, since it uses as much as digits as its factorization.

142420022033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6192174894.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 142420022033 its reverse (330220024241), we get a palindrome (472640046274).

The spelling of 142420022033 in words is "one hundred forty-two billion, four hundred twenty million, twenty-two thousand, thirty-three".