141857057 has 2 divisors, whose sum is σ = 141857058. Its totient is φ = 141857056.

The previous prime is 141857039. The next prime is 141857081. The reversal of 141857057 is 750758141.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 141158161 + 698896 = 11881^2 + 836^2 .

It is a cyclic number.

It is not a de Polignac number, because 141857057 - 2¹² = 141852961 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 141857057.

It is not a weakly prime, because it can be changed into another prime (141857087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70928528 + 70928529.

It is an arithmetic number, because the mean of its divisors is an integer number (70928529).

Almost surely, 2^141857057 is an apocalyptic number.

It is an amenable number.

141857057 is a deficient number, since it is larger than the sum of its proper divisors (1).

141857057 is an equidigital number, since it uses as much as digits as its factorization.

141857057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39200, while the sum is 38.

The square root of 141857057 is about 11910.3760226115. The cubic root of 141857057 is about 521.5352275404.

The spelling of 141857057 in words is "one hundred forty-one million, eight hundred fifty-seven thousand, fifty-seven".