157722896 has 10 divisors (see below), whose sum is σ = 305588142. Its totient is φ = 78861440.

The previous prime is 157722869. The next prime is 157722899. The reversal of 157722896 is 698227751.

It is a happy number.

157722896 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 155351296 + 2371600 = 12464^2 + 1540^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 157722896.

It is not an unprimeable number, because it can be changed into a prime (157722899) 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 as a sum of consecutive naturals, namely, 4928825 + ... + 4928856.

Almost surely, 2^157722896 is an apocalyptic number.

157722896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

157722896 is a deficient number, since it is larger than the sum of its proper divisors (147865246).

157722896 is an equidigital number, since it uses as much as digits as its factorization.

157722896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9857689 (or 9857683 counting only the distinct ones).

The product of its digits is 423360, while the sum is 47.

The square root of 157722896 is about 12558.7776475261. Note that the first 3 decimals coincide. The cubic root of 157722896 is about 540.2957867406.

The spelling of 157722896 in words is "one hundred fifty-seven million, seven hundred twenty-two thousand, eight hundred ninety-six".