141451591 has 2 divisors, whose sum is σ = 141451592. Its totient is φ = 141451590.

The previous prime is 141451579. The next prime is 141451621. The reversal of 141451591 is 195154141.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 141451591 - 2⁵ = 141451559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (141451501) 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 as a sum of consecutive naturals, namely, 70725795 + 70725796.

It is an arithmetic number, because the mean of its divisors is an integer number (70725796).

Almost surely, 2^141451591 is an apocalyptic number.

141451591 is a deficient number, since it is larger than the sum of its proper divisors (1).

141451591 is an equidigital number, since it uses as much as digits as its factorization.

141451591 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3600, while the sum is 31.

The square root of 141451591 is about 11893.3422972687. The cubic root of 141451591 is about 521.0378569191.

The spelling of 141451591 in words is "one hundred forty-one million, four hundred fifty-one thousand, five hundred ninety-one".