345231153 has 20 divisors (see below), whose sum is σ = 516269248. Its totient is φ = 229907160.

The previous prime is 345231143. The next prime is 345231157. The reversal of 345231153 is 351132543.

345231153 is a `hidden beast` number, since 345 + 2 + 311 + 5 + 3 = 666.

It is not a de Polignac number, because 345231153 - 2¹⁰ = 345230129 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a Curzon 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 19 ways as a sum of consecutive naturals, for example, 103908 + ... + 107178.

Almost surely, 2^345231153 is an apocalyptic number.

It is an amenable number.

345231153 is a deficient number, since it is larger than the sum of its proper divisors (171038095).

345231153 is a wasteful number, since it uses less digits than its factorization.

345231153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4586 (or 4577 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 345231153 is about 18580.3970086756. The cubic root of 345231153 is about 701.5145120124.

Adding to 345231153 its reverse (351132543), we get a palindrome (696363696).

The spelling of 345231153 in words is "three hundred forty-five million, two hundred thirty-one thousand, one hundred fifty-three".