141556657 has 4 divisors (see below), whose sum is σ = 154425456. Its totient is φ = 128687860.

The previous prime is 141556607. The next prime is 141556673. The reversal of 141556657 is 756655141.

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 not a de Polignac number, because 141556657 - 2⁷ = 141556529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (141556607) 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, 6434383 + ... + 6434404.

It is an arithmetic number, because the mean of its divisors is an integer number (38606364).

Almost surely, 2^141556657 is an apocalyptic number.

It is an amenable number.

141556657 is a deficient number, since it is larger than the sum of its proper divisors (12868799).

141556657 is a wasteful number, since it uses less digits than its factorization.

141556657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12868798.

The product of its digits is 126000, while the sum is 40.

The square root of 141556657 is about 11897.7584863704. The cubic root of 141556657 is about 521.1668287574.

The spelling of 141556657 in words is "one hundred forty-one million, five hundred fifty-six thousand, six hundred fifty-seven".