345231155 has 8 divisors (see below), whose sum is σ = 438646752. Its totient is φ = 259938688.

The previous prime is 345231143. The next prime is 345231157. The reversal of 345231155 is 551132543.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 345231155 - 2¹⁰ = 345230131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345231157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2030687 + ... + 2030856.

It is an arithmetic number, because the mean of its divisors is an integer number (54830844).

Almost surely, 2^345231155 is an apocalyptic number.

345231155 is a deficient number, since it is larger than the sum of its proper divisors (93415597).

345231155 is a wasteful number, since it uses less digits than its factorization.

345231155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4061565.

The product of its digits is 9000, while the sum is 29.

The square root of 345231155 is about 18580.3970624957. The cubic root of 345231155 is about 701.5145133670.

Adding to 345231155 its reverse (551132543), we get a palindrome (896363698).

The spelling of 345231155 in words is "three hundred forty-five million, two hundred thirty-one thousand, one hundred fifty-five".