141749431 has 2 divisors, whose sum is σ = 141749432. Its totient is φ = 141749430.

The previous prime is 141749407. The next prime is 141749459. The reversal of 141749431 is 134947141.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 141749431 - 2¹¹ = 141747383 is a prime.

It is a super-2 number, since 2×141749431² = 40185802377647522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (141749471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70874715 + 70874716.

It is an arithmetic number, because the mean of its divisors is an integer number (70874716).

Almost surely, 2^141749431 is an apocalyptic number.

141749431 is a deficient number, since it is larger than the sum of its proper divisors (1).

141749431 is an equidigital number, since it uses as much as digits as its factorization.

141749431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 34.

The square root of 141749431 is about 11905.8570040128. The cubic root of 141749431 is about 521.4032990745.

The spelling of 141749431 in words is "one hundred forty-one million, seven hundred forty-nine thousand, four hundred thirty-one".