141657601 has 4 divisors (see below), whose sum is σ = 141723604. Its totient is φ = 141591600.

The previous prime is 141657587. The next prime is 141657611. The reversal of 141657601 is 106756141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 106756141 = 17 ⋅6279773.

It can be written as a sum of positive squares in 2 ways, for example, as 84640000 + 57017601 = 9200^2 + 7551^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-141657601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (141657611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29670 + ... + 34111.

It is an arithmetic number, because the mean of its divisors is an integer number (35430901).

Almost surely, 2^141657601 is an apocalyptic number.

It is an amenable number.

141657601 is a deficient number, since it is larger than the sum of its proper divisors (66003).

141657601 is an equidigital number, since it uses as much as digits as its factorization.

141657601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66002.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 141657601 is about 11901.9998739708. Note that the first 3 decimals coincide. The cubic root of 141657601 is about 521.2906806137.

The spelling of 141657601 in words is "one hundred forty-one million, six hundred fifty-seven thousand, six hundred one".