152809799 has 4 divisors (see below), whose sum is σ = 160852440. Its totient is φ = 144767160.

The previous prime is 152809777. The next prime is 152809807. The reversal of 152809799 is 997908251.

It is a happy number.

152809799 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 152809799 - 2²⁰ = 151761223 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 (152809739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4021292 + ... + 4021329.

It is an arithmetic number, because the mean of its divisors is an integer number (40213110).

Almost surely, 2^152809799 is an apocalyptic number.

152809799 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

152809799 is a deficient number, since it is larger than the sum of its proper divisors (8042641).

152809799 is an equidigital number, since it uses as much as digits as its factorization.

152809799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8042640.

The product of its (nonzero) digits is 408240, while the sum is 50.

The square root of 152809799 is about 12361.6260661775. The cubic root of 152809799 is about 534.6264011792.

The spelling of 152809799 in words is "one hundred fifty-two million, eight hundred nine thousand, seven hundred ninety-nine".