147722390 has 16 divisors (see below), whose sum is σ = 266047200. Its totient is φ = 59056320.

The previous prime is 147722383. The next prime is 147722423. The reversal of 147722390 is 93227741.

It is a self number, because there is not a number n which added to its sum of digits gives 147722390.

It is a congruent number.

It is an unprimeable number.

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, 24386 + ... + 29834.

It is an arithmetic number, because the mean of its divisors is an integer number (16627950).

Almost surely, 2^147722390 is an apocalyptic number.

147722390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

147722390 is a deficient number, since it is larger than the sum of its proper divisors (118324810).

147722390 is a wasteful number, since it uses less digits than its factorization.

147722390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8167.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 147722390 is about 12154.1100044388. The cubic root of 147722390 is about 528.6263109384.

The spelling of 147722390 in words is "one hundred forty-seven million, seven hundred twenty-two thousand, three hundred ninety".