141554557 has 2 divisors, whose sum is σ = 141554558. Its totient is φ = 141554556.

The previous prime is 141554549. The next prime is 141554561. The reversal of 141554557 is 755455141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126023076 + 15531481 = 11226^2 + 3941^2 .

It is a cyclic number.

It is not a de Polignac number, because 141554557 - 2³ = 141554549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (141554537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70777278 + 70777279.

It is an arithmetic number, because the mean of its divisors is an integer number (70777279).

Almost surely, 2^141554557 is an apocalyptic number.

It is an amenable number.

141554557 is a deficient number, since it is larger than the sum of its proper divisors (1).

141554557 is an equidigital number, since it uses as much as digits as its factorization.

141554557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 70000, while the sum is 37.

The square root of 141554557 is about 11897.6702341257. The cubic root of 141554557 is about 521.1642515661.

The spelling of 141554557 in words is "one hundred forty-one million, five hundred fifty-four thousand, five hundred fifty-seven".