152247809 has 8 divisors (see below), whose sum is σ = 174548928. Its totient is φ = 130084560.

The previous prime is 152247803. The next prime is 152247811. The reversal of 152247809 is 908742251.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 152247809 - 2⁴ = 152247793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152247803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32087 + ... + 36524.

It is an arithmetic number, because the mean of its divisors is an integer number (21818616).

Almost surely, 2^152247809 is an apocalyptic number.

It is an amenable number.

152247809 is a deficient number, since it is larger than the sum of its proper divisors (22301119).

152247809 is an equidigital number, since it uses as much as digits as its factorization.

152247809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68935.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 152247809 is about 12338.8738951332. The cubic root of 152247809 is about 533.9701959360.

The spelling of 152247809 in words is "one hundred fifty-two million, two hundred forty-seven thousand, eight hundred nine".