157383109 has 12 divisors (see below), whose sum is σ = 172768836. Its totient is φ = 143275392.

The previous prime is 157383101. The next prime is 157383131. The reversal of 157383109 is 901383751.

It is a happy number.

157383109 is digitally balanced in base 2, 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 6 ways, for example, as 15249025 + 142134084 = 3905^2 + 11922^2 .

It is not a de Polignac number, because 157383109 - 2³ = 157383101 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 (157383101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5959 + ... + 18715.

It is an arithmetic number, because the mean of its divisors is an integer number (14397403).

Almost surely, 2^157383109 is an apocalyptic number.

It is an amenable number.

157383109 is a deficient number, since it is larger than the sum of its proper divisors (15385727).

157383109 is a wasteful number, since it uses less digits than its factorization.

157383109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12856 (or 12843 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 157383109 is about 12545.2424847031. The cubic root of 157383109 is about 539.9075161689.

The spelling of 157383109 in words is "one hundred fifty-seven million, three hundred eighty-three thousand, one hundred nine".