142463776 has 144 divisors (see below), whose sum is σ = 364989240. Its totient is φ = 54190080.

The previous prime is 142463753. The next prime is 142463779. The reversal of 142463776 is 677364241.

It can be written as a sum of positive squares in 4 ways, for example, as 116208400 + 26255376 = 10780^2 + 5124^2 .

It is not an unprimeable number, because it can be changed into a prime (142463779) 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 23 ways as a sum of consecutive naturals, for example, 591016 + ... + 591256.

Almost surely, 2^142463776 is an apocalyptic number.

142463776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142463776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182494620).

142463776 is an abundant number, since it is smaller than the sum of its proper divisors (222525464).

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

142463776 is a wasteful number, since it uses less digits than its factorization.

142463776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307 (or 292 counting only the distinct ones).

The product of its digits is 169344, while the sum is 40.

The square root of 142463776 is about 11935.8190334807. The cubic root of 142463776 is about 522.2777009685.

The spelling of 142463776 in words is "one hundred forty-two million, four hundred sixty-three thousand, seven hundred seventy-six".