141830557 has 4 divisors (see below), whose sum is σ = 154724256. Its totient is φ = 128936860.

The previous prime is 141830539. The next prime is 141830593. The reversal of 141830557 is 755038141.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-141830557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141830057) 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 in 3 ways as a sum of consecutive naturals, for example, 6446833 + ... + 6446854.

It is an arithmetic number, because the mean of its divisors is an integer number (38681064).

Almost surely, 2^141830557 is an apocalyptic number.

It is an amenable number.

141830557 is a deficient number, since it is larger than the sum of its proper divisors (12893699).

141830557 is a wasteful number, since it uses less digits than its factorization.

141830557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12893698.

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 141830557 is about 11909.2634952796. The cubic root of 141830557 is about 521.5027499076.

Adding to 141830557 its reverse (755038141), we get a palindrome (896868698).

The spelling of 141830557 in words is "one hundred forty-one million, eight hundred thirty thousand, five hundred fifty-seven".