142773328 has 20 divisors (see below), whose sum is σ = 288651168. Its totient is φ = 68282720.

The previous prime is 142773307. The next prime is 142773329. The reversal of 142773328 is 823377241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142773329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193618 + ... + 194353.

Almost surely, 2^142773328 is an apocalyptic number.

It is an amenable number.

142773328 is an abundant number, since it is smaller than the sum of its proper divisors (145877840).

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

142773328 is a wasteful number, since it uses less digits than its factorization.

142773328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388002 (or 387996 counting only the distinct ones).

The product of its digits is 56448, while the sum is 37.

The square root of 142773328 is about 11948.7793518836. The cubic root of 142773328 is about 522.6557038459.

The spelling of 142773328 in words is "one hundred forty-two million, seven hundred seventy-three thousand, three hundred twenty-eight".