142487824 has 20 divisors (see below), whose sum is σ = 279854236. Its totient is φ = 70267392.

The previous prime is 142487791. The next prime is 142487827. The reversal of 142487824 is 428784241.

It can be written as a sum of positive squares in 2 ways, for example, as 65610000 + 76877824 = 8100^2 + 8768^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142487827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59829 + ... + 62164.

Almost surely, 2^142487824 is an apocalyptic number.

It is an amenable number.

142487824 is a deficient number, since it is larger than the sum of its proper divisors (137366412).

142487824 is a wasteful number, since it uses less digits than its factorization.

142487824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122074 (or 122068 counting only the distinct ones).

The product of its digits is 114688, while the sum is 40.

The square root of 142487824 is about 11936.8263788999. The cubic root of 142487824 is about 522.3070862805.

The spelling of 142487824 in words is "one hundred forty-two million, four hundred eighty-seven thousand, eight hundred twenty-four".