155468899 has 4 divisors (see below), whose sum is σ = 155902320. Its totient is φ = 155035480.

The previous prime is 155468897. The next prime is 155468923. The reversal of 155468899 is 998864551.

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 155468899 - 2¹ = 155468897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155468897) 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, 216172 + ... + 216889.

It is an arithmetic number, because the mean of its divisors is an integer number (38975580).

Almost surely, 2^155468899 is an apocalyptic number.

155468899 is a deficient number, since it is larger than the sum of its proper divisors (433421).

155468899 is an equidigital number, since it uses as much as digits as its factorization.

155468899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433420.

The product of its digits is 3110400, while the sum is 55.

The square root of 155468899 is about 12468.7168144922. The cubic root of 155468899 is about 537.7096628609.

The spelling of 155468899 in words is "one hundred fifty-five million, four hundred sixty-eight thousand, eight hundred ninety-nine".