141818497 has 4 divisors (see below), whose sum is σ = 146708820. Its totient is φ = 136928176.

The previous prime is 141818491. The next prime is 141818507. The reversal of 141818497 is 794818141.

It is a happy number.

141818497 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.

It can be written as a sum of positive squares in 2 ways, for example, as 47941776 + 93876721 = 6924^2 + 9689^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-141818497 is a prime.

It is a super-2 number, since 2×141818497² = 40224972182678018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (141818491) 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, 2445118 + ... + 2445175.

It is an arithmetic number, because the mean of its divisors is an integer number (36677205).

Almost surely, 2^141818497 is an apocalyptic number.

It is an amenable number.

141818497 is a deficient number, since it is larger than the sum of its proper divisors (4890323).

141818497 is an equidigital number, since it uses as much as digits as its factorization.

141818497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4890322.

The product of its digits is 64512, while the sum is 43.

The square root of 141818497 is about 11908.7571559756. The cubic root of 141818497 is about 521.4879681813.

The spelling of 141818497 in words is "one hundred forty-one million, eight hundred eighteen thousand, four hundred ninety-seven".