142477824 has 160 divisors (see below), whose sum is σ = 410509440. Its totient is φ = 43794432.

The previous prime is 142477817. The next prime is 142477837. The reversal of 142477824 is 428774241.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1307082 + ... + 1307190.

It is an arithmetic number, because the mean of its divisors is an integer number (2565684).

Almost surely, 2^142477824 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142477824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205254720).

142477824 is an abundant number, since it is smaller than the sum of its proper divisors (268031616).

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

142477824 is a wasteful number, since it uses less digits than its factorization.

142477824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190 (or 174 counting only the distinct ones).

The product of its digits is 100352, while the sum is 39.

The square root of 142477824 is about 11936.4074997463. The cubic root of 142477824 is about 522.2948672409.

The spelling of 142477824 in words is "one hundred forty-two million, four hundred seventy-seven thousand, eight hundred twenty-four".