142745622 has 16 divisors (see below), whose sum is σ = 285791232. Its totient is φ = 47531880.

The previous prime is 142745621. The next prime is 142745663. The reversal of 142745622 is 226547241.

142745622 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142745621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6058 + ... + 17949.

It is an arithmetic number, because the mean of its divisors is an integer number (17861952).

Almost surely, 2^142745622 is an apocalyptic number.

142745622 is an abundant number, since it is smaller than the sum of its proper divisors (143045610).

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

142745622 is a wasteful number, since it uses less digits than its factorization.

142745622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25003.

The product of its digits is 26880, while the sum is 33.

The square root of 142745622 is about 11947.6199303460. The cubic root of 142745622 is about 522.6218935259.

The spelling of 142745622 in words is "one hundred forty-two million, seven hundred forty-five thousand, six hundred twenty-two".