140445299 has 2 divisors, whose sum is σ = 140445300. Its totient is φ = 140445298.

The previous prime is 140445287. The next prime is 140445307. The reversal of 140445299 is 992544041.

140445299 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140445299 is a prime.

It is a super-2 number, since 2×140445299² = 39449764022398802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (140442299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70222649 + 70222650.

It is an arithmetic number, because the mean of its divisors is an integer number (70222650).

Almost surely, 2^140445299 is an apocalyptic number.

140445299 is a deficient number, since it is larger than the sum of its proper divisors (1).

140445299 is an equidigital number, since it uses as much as digits as its factorization.

140445299 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 140445299 is about 11850.9619440786. The cubic root of 140445299 is about 519.7993542955.

The spelling of 140445299 in words is "one hundred forty million, four hundred forty-five thousand, two hundred ninety-nine".