141954493 has 8 divisors (see below), whose sum is σ = 142803000. Its totient is φ = 141109248.

The previous prime is 141954473. The next prime is 141954521. The reversal of 141954493 is 394459141.

It can be written as a sum of positive squares in 4 ways, for example, as 24383844 + 117570649 = 4938^2 + 10843^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-141954493 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 (141954473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183255 + ... + 184027.

It is an arithmetic number, because the mean of its divisors is an integer number (17850375).

Almost surely, 2^141954493 is an apocalyptic number.

It is an amenable number.

141954493 is a deficient number, since it is larger than the sum of its proper divisors (848507).

141954493 is an equidigital number, since it uses as much as digits as its factorization.

141954493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1631.

The product of its digits is 77760, while the sum is 40.

The square root of 141954493 is about 11914.4657035051. The cubic root of 141954493 is about 521.6546075167.

The spelling of 141954493 in words is "one hundred forty-one million, nine hundred fifty-four thousand, four hundred ninety-three".