152440223 has 16 divisors (see below), whose sum is σ = 168376320. Its totient is φ = 137132256.

The previous prime is 152440199. The next prime is 152440229. The reversal of 152440223 is 322044251.

It is a happy number.

152440223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 152440223 - 2⁸ = 152439967 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 (152440229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211658 + ... + 212376.

It is an arithmetic number, because the mean of its divisors is an integer number (10523520).

Almost surely, 2^152440223 is an apocalyptic number.

152440223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

152440223 is a deficient number, since it is larger than the sum of its proper divisors (15936097).

152440223 is a wasteful number, since it uses less digits than its factorization.

152440223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 152440223 is about 12346.6684980200. The cubic root of 152440223 is about 534.1950488458.

Adding to 152440223 its reverse (322044251), we get a palindrome (474484474).

The spelling of 152440223 in words is "one hundred fifty-two million, four hundred forty thousand, two hundred twenty-three".