157445716 has 6 divisors (see below), whose sum is σ = 275530010. Its totient is φ = 78722856.

The previous prime is 157445713. The next prime is 157445731. The reversal of 157445716 is 617544751.

It can be written as a sum of positive squares in only one way, i.e., 117072400 + 40373316 = 10820^2 + 6354^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157445711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19680711 + ... + 19680718.

Almost surely, 2^157445716 is an apocalyptic number.

It is an amenable number.

157445716 is a deficient number, since it is larger than the sum of its proper divisors (118084294).

157445716 is a wasteful number, since it uses less digits than its factorization.

157445716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39361433 (or 39361431 counting only the distinct ones).

The product of its digits is 117600, while the sum is 40.

The square root of 157445716 is about 12547.7374852999. The cubic root of 157445716 is about 539.9790984137.

The spelling of 157445716 in words is "one hundred fifty-seven million, four hundred forty-five thousand, seven hundred sixteen".