141899018 has 4 divisors (see below), whose sum is σ = 212848530. Its totient is φ = 70949508.

The previous prime is 141899003. The next prime is 141899047. The reversal of 141899018 is 810998141.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 133564249 + 8334769 = 11557^2 + 2887^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35474753 + ... + 35474756.

Almost surely, 2^141899018 is an apocalyptic number.

141899018 is a deficient number, since it is larger than the sum of its proper divisors (70949512).

141899018 is an equidigital number, since it uses as much as digits as its factorization.

141899018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70949511.

The product of its (nonzero) digits is 20736, while the sum is 41.

The square root of 141899018 is about 11912.1374236532. The cubic root of 141899018 is about 521.5866454553.

The spelling of 141899018 in words is "one hundred forty-one million, eight hundred ninety-nine thousand, eighteen".