141957257 has 4 divisors (see below), whose sum is σ = 152877060. Its totient is φ = 131037456.

The previous prime is 141957251. The next prime is 141957281. The reversal of 141957257 is 752759141.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 50353216 + 91604041 = 7096^2 + 9571^2 .

It is a cyclic number.

It is not a de Polignac number, because 141957257 - 2¹⁰ = 141956233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (141957251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5459882 + ... + 5459907.

It is an arithmetic number, because the mean of its divisors is an integer number (38219265).

Almost surely, 2^141957257 is an apocalyptic number.

It is an amenable number.

141957257 is a deficient number, since it is larger than the sum of its proper divisors (10919803).

141957257 is a wasteful number, since it uses less digits than its factorization.

141957257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10919802.

The product of its digits is 88200, while the sum is 41.

The square root of 141957257 is about 11914.5816963920. The cubic root of 141957257 is about 521.6579932120.

The spelling of 141957257 in words is "one hundred forty-one million, nine hundred fifty-seven thousand, two hundred fifty-seven".