142041522 has 32 divisors (see below), whose sum is σ = 325297152. Its totient is φ = 40504464.

The previous prime is 142041521. The next prime is 142041533. The reversal of 142041522 is 225140241.

142041522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (142041521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20643 + ... + 26649.

It is an arithmetic number, because the mean of its divisors is an integer number (10165536).

Almost surely, 2^142041522 is an apocalyptic number.

142041522 is an abundant number, since it is smaller than the sum of its proper divisors (183255630).

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

142041522 is a wasteful number, since it uses less digits than its factorization.

142041522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6582.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 142041522 is about 11918.1173848893. The cubic root of 142041522 is about 521.7611905099.

Adding to 142041522 its reverse (225140241), we get a palindrome (367181763).

The spelling of 142041522 in words is "one hundred forty-two million, forty-one thousand, five hundred twenty-two".