345545505 has 12 divisors (see below), whose sum is σ = 598945620. Its totient is φ = 184290912.

The previous prime is 345545503. The next prime is 345545509. The reversal of 345545505 is 505545543.

It can be written as a sum of positive squares in 2 ways, for example, as 260887104 + 84658401 = 16152^2 + 9201^2 .

It is not a de Polignac number, because 345545505 - 2¹ = 345545503 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 345545505.

It is not an unprimeable number, because it can be changed into a prime (345545503) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3839350 + ... + 3839439.

It is an arithmetic number, because the mean of its divisors is an integer number (49912135).

Almost surely, 2^345545505 is an apocalyptic number.

It is an amenable number.

345545505 is a deficient number, since it is larger than the sum of its proper divisors (253400115).

345545505 is a wasteful number, since it uses less digits than its factorization.

345545505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7678800 (or 7678797 counting only the distinct ones).

The product of its (nonzero) digits is 150000, while the sum is 36.

The square root of 345545505 is about 18588.8543218779. The cubic root of 345545505 is about 701.7273699668.

The spelling of 345545505 in words is "three hundred forty-five million, five hundred forty-five thousand, five hundred five".