157843847 has 12 divisors (see below), whose sum is σ = 189539136. Its totient is φ = 130929120.

The previous prime is 157843823. The next prime is 157843853. The reversal of 157843847 is 748348751.

It is a happy number.

It is not a de Polignac number, because 157843847 - 2¹² = 157839751 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 (157843867) 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 11 ways as a sum of consecutive naturals, for example, 50438 + ... + 53475.

It is an arithmetic number, because the mean of its divisors is an integer number (15794928).

Almost surely, 2^157843847 is an apocalyptic number.

157843847 is a deficient number, since it is larger than the sum of its proper divisors (31695289).

157843847 is a wasteful number, since it uses less digits than its factorization.

157843847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103958 (or 103951 counting only the distinct ones).

The product of its digits is 752640, while the sum is 47.

The square root of 157843847 is about 12563.5921216824. The cubic root of 157843847 is about 540.4338614271.

The spelling of 157843847 in words is "one hundred fifty-seven million, eight hundred forty-three thousand, eight hundred forty-seven".