141375491 has 4 divisors (see below), whose sum is σ = 143693184. Its totient is φ = 139057800.

The previous prime is 141375449. The next prime is 141375541. The reversal of 141375491 is 194573141.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-141375491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (141375191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1158755 + ... + 1158876.

It is an arithmetic number, because the mean of its divisors is an integer number (35923296).

Almost surely, 2^141375491 is an apocalyptic number.

141375491 is a deficient number, since it is larger than the sum of its proper divisors (2317693).

141375491 is an equidigital number, since it uses as much as digits as its factorization.

141375491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2317692.

The product of its digits is 15120, while the sum is 35.

The square root of 141375491 is about 11890.1425979674. The cubic root of 141375491 is about 520.9444018758.

The spelling of 141375491 in words is "one hundred forty-one million, three hundred seventy-five thousand, four hundred ninety-one".