142100452 has 12 divisors (see below), whose sum is σ = 267804796. Its totient is φ = 65584800.

The previous prime is 142100437. The next prime is 142100459. The reversal of 142100452 is 254001241.

It can be written as a sum of positive squares in 2 ways, for example, as 90174016 + 51926436 = 9496^2 + 7206^2 .

It is not an unprimeable number, because it can be changed into a prime (142100459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1366299 + ... + 1366402.

Almost surely, 2^142100452 is an apocalyptic number.

It is an amenable number.

142100452 is a deficient number, since it is larger than the sum of its proper divisors (125704344).

142100452 is a wasteful number, since it uses less digits than its factorization.

142100452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2732718 (or 2732716 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 142100452 is about 11920.5894149576. The cubic root of 142100452 is about 521.8333363992.

Adding to 142100452 its reverse (254001241), we get a palindrome (396101693).

The spelling of 142100452 in words is "one hundred forty-two million, one hundred thousand, four hundred fifty-two".