157843805 has 16 divisors (see below), whose sum is σ = 220558464. Its totient is φ = 106192320.

The previous prime is 157843801. The next prime is 157843823. The reversal of 157843805 is 508348751.

It is not a de Polignac number, because 157843805 - 2² = 157843801 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157843801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40691 + ... + 44400.

It is an arithmetic number, because the mean of its divisors is an integer number (13784904).

Almost surely, 2^157843805 is an apocalyptic number.

It is an amenable number.

157843805 is a deficient number, since it is larger than the sum of its proper divisors (62714659).

157843805 is an equidigital number, since it uses as much as digits as its factorization.

157843805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85156.

The product of its (nonzero) digits is 134400, while the sum is 41.

The square root of 157843805 is about 12563.5904501858. The cubic root of 157843805 is about 540.4338134932.

The spelling of 157843805 in words is "one hundred fifty-seven million, eight hundred forty-three thousand, eight hundred five".