345542555 has 4 divisors (see below), whose sum is σ = 414651072. Its totient is φ = 276434040.

The previous prime is 345542551. The next prime is 345542567. The reversal of 345542555 is 555245543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 555245543 = 53 ⋅10476331.

It is not a de Polignac number, because 345542555 - 2² = 345542551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345542551) 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, 34554251 + ... + 34554260.

It is an arithmetic number, because the mean of its divisors is an integer number (103662768).

Almost surely, 2^345542555 is an apocalyptic number.

345542555 is a deficient number, since it is larger than the sum of its proper divisors (69108517).

345542555 is an equidigital number, since it uses as much as digits as its factorization.

345542555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69108516.

The product of its digits is 300000, while the sum is 38.

The square root of 345542555 is about 18588.7749730852. The cubic root of 345542555 is about 701.7253730261.

The spelling of 345542555 in words is "three hundred forty-five million, five hundred forty-two thousand, five hundred fifty-five".