141577481 has 2 divisors, whose sum is σ = 141577482. Its totient is φ = 141577480.

The previous prime is 141577459. The next prime is 141577487. The reversal of 141577481 is 184775141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132457081 + 9120400 = 11509^2 + 3020^2 .

It is a cyclic number.

It is not a de Polignac number, because 141577481 - 2¹⁸ = 141315337 is a prime.

It is a super-2 number, since 2×141577481² = 40088366252610722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (141577487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70788740 + 70788741.

It is an arithmetic number, because the mean of its divisors is an integer number (70788741).

Almost surely, 2^141577481 is an apocalyptic number.

It is an amenable number.

141577481 is a deficient number, since it is larger than the sum of its proper divisors (1).

141577481 is an equidigital number, since it uses as much as digits as its factorization.

141577481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31360, while the sum is 38.

The square root of 141577481 is about 11898.6335770121. The cubic root of 141577481 is about 521.1923832977.

The spelling of 141577481 in words is "one hundred forty-one million, five hundred seventy-seven thousand, four hundred eighty-one".