153268019 has 4 divisors (see below), whose sum is σ = 153543744. Its totient is φ = 152992296.

The previous prime is 153268001. The next prime is 153268043. The reversal of 153268019 is 910862351.

153268019 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 a de Polignac number, because none of the positive numbers 2^k-153268019 is a prime.

It is a super-2 number, since 2×153268019² = 46982171296368722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 153268019.

It is not an unprimeable number, because it can be changed into a prime (153268069) 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, 137027 + ... + 138140.

It is an arithmetic number, because the mean of its divisors is an integer number (38385936).

Almost surely, 2^153268019 is an apocalyptic number.

153268019 is a deficient number, since it is larger than the sum of its proper divisors (275725).

153268019 is an equidigital number, since it uses as much as digits as its factorization.

153268019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275724.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 153268019 is about 12380.1461623036. The cubic root of 153268019 is about 535.1602501288.

The spelling of 153268019 in words is "one hundred fifty-three million, two hundred sixty-eight thousand, nineteen".