142777002 has 16 divisors (see below), whose sum is σ = 285965280. Its totient is φ = 47523792.

The previous prime is 142776973. The next prime is 142777007. The reversal of 142777002 is 200777241.

142777002 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (142777007) 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 7 ways as a sum of consecutive naturals, for example, 12528 + ... + 21035.

It is an arithmetic number, because the mean of its divisors is an integer number (17872830).

Almost surely, 2^142777002 is an apocalyptic number.

142777002 is an abundant number, since it is smaller than the sum of its proper divisors (143188278).

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

142777002 is a wasteful number, since it uses less digits than its factorization.

142777002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34277.

The product of its (nonzero) digits is 5488, while the sum is 30.

The square root of 142777002 is about 11948.9330904479. The cubic root of 142777002 is about 522.6601869909.

The spelling of 142777002 in words is "one hundred forty-two million, seven hundred seventy-seven thousand, two".