141773997 has 4 divisors (see below), whose sum is σ = 189032000. Its totient is φ = 94515996.

The previous prime is 141773971. The next prime is 141774013. The reversal of 141773997 is 799377141.

141773997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 141773997 - 2⁷ = 141773869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141773917) 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, 23628997 + ... + 23629002.

It is an arithmetic number, because the mean of its divisors is an integer number (47258000).

Almost surely, 2^141773997 is an apocalyptic number.

It is an amenable number.

141773997 is a deficient number, since it is larger than the sum of its proper divisors (47258003).

141773997 is an equidigital number, since it uses as much as digits as its factorization.

141773997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47258002.

The product of its digits is 333396, while the sum is 48.

The square root of 141773997 is about 11906.8886364155. Note that the first 3 decimals coincide. The cubic root of 141773997 is about 521.4334180750.

The spelling of 141773997 in words is "one hundred forty-one million, seven hundred seventy-three thousand, nine hundred ninety-seven".