157941805 has 16 divisors (see below), whose sum is σ = 226024704. Its totient is φ = 103593600.

The previous prime is 157941793. The next prime is 157941809. The reversal of 157941805 is 508149751.

It is a happy number.

It is not a de Polignac number, because 157941805 - 2⁷ = 157941677 is a prime.

It is a super-2 number, since 2×157941805² = 49891227533316050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157941809) 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, 97296 + ... + 98905.

It is an arithmetic number, because the mean of its divisors is an integer number (14126544).

Almost surely, 2^157941805 is an apocalyptic number.

It is an amenable number.

157941805 is a deficient number, since it is larger than the sum of its proper divisors (68082899).

157941805 is a wasteful number, since it uses less digits than its factorization.

157941805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196236.

The product of its (nonzero) digits is 50400, while the sum is 40.

The square root of 157941805 is about 12567.4900039745. The cubic root of 157941805 is about 540.5456361832.

The spelling of 157941805 in words is "one hundred fifty-seven million, nine hundred forty-one thousand, eight hundred five".