142454522 has 16 divisors (see below), whose sum is σ = 244363392. Its totient is φ = 61013040.

The previous prime is 142454461. The next prime is 142454527. The reversal of 142454522 is 225454241.

142454522 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×142454522³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (142454527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35372 + ... + 39192.

It is an arithmetic number, because the mean of its divisors is an integer number (15272712).

Almost surely, 2^142454522 is an apocalyptic number.

142454522 is a deficient number, since it is larger than the sum of its proper divisors (101908870).

142454522 is a wasteful number, since it uses less digits than its factorization.

142454522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6493.

The product of its digits is 12800, while the sum is 29.

The square root of 142454522 is about 11935.4313705035. The cubic root of 142454522 is about 522.2663922165.

The spelling of 142454522 in words is "one hundred forty-two million, four hundred fifty-four thousand, five hundred twenty-two".