142822407 has 36 divisors (see below), whose sum is σ = 239913000. Its totient is φ = 75321792.

The previous prime is 142822369. The next prime is 142822417. The reversal of 142822407 is 704228241.

It is not a de Polignac number, because 142822407 - 2⁶ = 142822343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142822417) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 21969 + ... + 27717.

It is an arithmetic number, because the mean of its divisors is an integer number (6664250).

Almost surely, 2^142822407 is an apocalyptic number.

142822407 is a deficient number, since it is larger than the sum of its proper divisors (97090593).

142822407 is a wasteful number, since it uses less digits than its factorization.

142822407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5792 (or 5772 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 30.

The square root of 142822407 is about 11950.8328998443. The cubic root of 142822407 is about 522.7155854334.

The spelling of 142822407 in words is "one hundred forty-two million, eight hundred twenty-two thousand, four hundred seven".