232155545 has 4 divisors (see below), whose sum is σ = 278586660. Its totient is φ = 185724432.

The previous prime is 232155533. The next prime is 232155557. The reversal of 232155545 is 545551232.

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

It is an interprime number because it is at equal distance from previous prime (232155533) and next prime (232155557).

It can be written as a sum of positive squares in 2 ways, for example, as 158659216 + 73496329 = 12596^2 + 8573^2 .

It is a cyclic number.

It is not a de Polignac number, because 232155545 - 2⁶ = 232155481 is a prime.

It is a Curzon number.

It is a zygodrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23215550 + ... + 23215559.

It is an arithmetic number, because the mean of its divisors is an integer number (69646665).

Almost surely, 2^232155545 is an apocalyptic number.

It is an amenable number.

232155545 is a deficient number, since it is larger than the sum of its proper divisors (46431115).

232155545 is an equidigital number, since it uses as much as digits as its factorization.

232155545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46431114.

The product of its digits is 30000, while the sum is 32.

The square root of 232155545 is about 15236.6513709542. The cubic root of 232155545 is about 614.6006573099.

The spelling of 232155545 in words is "two hundred thirty-two million, one hundred fifty-five thousand, five hundred forty-five".