152288109 has 6 divisors (see below), whose sum is σ = 219971726. Its totient is φ = 101525400.

The previous prime is 152288107. The next prime is 152288137. The reversal of 152288109 is 901882251.

It can be written as a sum of positive squares in only one way, i.e., 129276900 + 23011209 = 11370^2 + 4797^2 .

It is not a de Polignac number, because 152288109 - 2¹ = 152288107 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 (152288107) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8460442 + ... + 8460459.

Almost surely, 2^152288109 is an apocalyptic number.

It is an amenable number.

152288109 is a deficient number, since it is larger than the sum of its proper divisors (67683617).

152288109 is a wasteful number, since it uses less digits than its factorization.

152288109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16920907 (or 16920904 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 152288109 is about 12340.5068372413. The cubic root of 152288109 is about 534.0173057557.

The spelling of 152288109 in words is "one hundred fifty-two million, two hundred eighty-eight thousand, one hundred nine".