142422548 has 6 divisors (see below), whose sum is σ = 249239466. Its totient is φ = 71211272.

The previous prime is 142422547. The next prime is 142422551. The reversal of 142422548 is 845224241.

It can be written as a sum of positive squares in only one way, i.e., 105431824 + 36990724 = 10268^2 + 6082^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142422541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17802815 + ... + 17802822.

It is an arithmetic number, because the mean of its divisors is an integer number (41539911).

Almost surely, 2^142422548 is an apocalyptic number.

It is an amenable number.

142422548 is a deficient number, since it is larger than the sum of its proper divisors (106816918).

142422548 is a wasteful number, since it uses less digits than its factorization.

142422548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35605641 (or 35605639 counting only the distinct ones).

The product of its digits is 20480, while the sum is 32.

The square root of 142422548 is about 11934.0918380914. The cubic root of 142422548 is about 522.2273149613.

Adding to 142422548 its reverse (845224241), we get a palindrome (987646789).

The spelling of 142422548 in words is "one hundred forty-two million, four hundred twenty-two thousand, five hundred forty-eight".