141721772 has 12 divisors (see below), whose sum is σ = 248622360. Its totient is φ = 70686816.

The previous prime is 141721771. The next prime is 141721781. The reversal of 141721772 is 277127141.

141721772 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 (141721771) 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, 41678 + ... + 44949.

It is an arithmetic number, because the mean of its divisors is an integer number (20718530).

Almost surely, 2^141721772 is an apocalyptic number.

It is an amenable number.

141721772 is a deficient number, since it is larger than the sum of its proper divisors (106900588).

141721772 is a wasteful number, since it uses less digits than its factorization.

141721772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87040 (or 87038 counting only the distinct ones).

The product of its digits is 5488, while the sum is 32.

The square root of 141721772 is about 11904.6953761951. The cubic root of 141721772 is about 521.3693837544.

The spelling of 141721772 in words is "one hundred forty-one million, seven hundred twenty-one thousand, seven hundred seventy-two".