142454250 has 48 divisors (see below), whose sum is σ = 385202376. Its totient is φ = 37987200.

The previous prime is 142454239. The next prime is 142454251. The reversal of 142454250 is 52454241.

It can be written as a sum of positive squares in 4 ways, for example, as 69505569 + 72948681 = 8337^2 + 8541^2 .

It is not an unprimeable number, because it can be changed into a prime (142454251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29407 + ... + 33906.

Almost surely, 2^142454250 is an apocalyptic number.

142454250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142454250 is an abundant number, since it is smaller than the sum of its proper divisors (242748126).

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

142454250 is a wasteful number, since it uses less digits than its factorization.

142454250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63336 (or 63323 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 142454250 is about 11935.4199758534. The cubic root of 142454250 is about 522.2660598144.

Subtracting from 142454250 its reverse (52454241), we obtain a palindrome (90000009).

The spelling of 142454250 in words is "one hundred forty-two million, four hundred fifty-four thousand, two hundred fifty".