141969901 has 4 divisors (see below), whose sum is σ = 142055452. Its totient is φ = 141884352.

The previous prime is 141969859. The next prime is 141969917. The reversal of 141969901 is 109969141.

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 58155876 + 83814025 = 7626^2 + 9155^2 .

It is a cyclic number.

It is not a de Polignac number, because 141969901 - 2⁹ = 141969389 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 (141969931) 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, 40236 + ... + 43621.

It is an arithmetic number, because the mean of its divisors is an integer number (35513863).

Almost surely, 2^141969901 is an apocalyptic number.

It is an amenable number.

141969901 is a deficient number, since it is larger than the sum of its proper divisors (85551).

141969901 is an equidigital number, since it uses as much as digits as its factorization.

141969901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85550.

The product of its (nonzero) digits is 17496, while the sum is 40.

The square root of 141969901 is about 11915.1122948968. The cubic root of 141969901 is about 521.6734806152.

The spelling of 141969901 in words is "one hundred forty-one million, nine hundred sixty-nine thousand, nine hundred one".