141440402 has 16 divisors (see below), whose sum is σ = 215029080. Its totient is φ = 69767808.

The previous prime is 141440401. The next prime is 141440419. The reversal of 141440402 is 204044141.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 123454321 + 17986081 = 11111^2 + 4241^2 .

It is not an unprimeable number, because it can be changed into a prime (141440401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141368 + ... + 142364.

Almost surely, 2^141440402 is an apocalyptic number.

141440402 is a deficient number, since it is larger than the sum of its proper divisors (73588678).

141440402 is an equidigital number, since it uses as much as digits as its factorization.

141440402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1885.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 141440402 is about 11892.8718987467. The cubic root of 141440402 is about 521.0241183054.

Adding to 141440402 its reverse (204044141), we get a palindrome (345484543).

The spelling of 141440402 in words is "one hundred forty-one million, four hundred forty thousand, four hundred two".