147723140 has 12 divisors (see below), whose sum is σ = 310218636. Its totient is φ = 59089248.

The previous prime is 147723133. The next prime is 147723161. The reversal of 147723140 is 41327741.

It can be written as a sum of positive squares in 2 ways, for example, as 27206656 + 120516484 = 5216^2 + 10978^2 .

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 3 ways as a sum of consecutive naturals, for example, 3693059 + ... + 3693098.

It is an arithmetic number, because the mean of its divisors is an integer number (25851553).

Almost surely, 2^147723140 is an apocalyptic number.

147723140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

147723140 is an abundant number, since it is smaller than the sum of its proper divisors (162495496).

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

147723140 is a wasteful number, since it uses less digits than its factorization.

147723140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7386166 (or 7386164 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 147723140 is about 12154.1408581602. The cubic root of 147723140 is about 528.6272055648.

The spelling of 147723140 in words is "one hundred forty-seven million, seven hundred twenty-three thousand, one hundred forty".