345676545 has 64 divisors (see below), whose sum is σ = 646133760. Its totient is φ = 175006656.

The previous prime is 345676543. The next prime is 345676553. The reversal of 345676545 is 545676543.

345676545 is a `hidden beast` number, since 3 + 45 + 67 + 6 + 545 = 666.

345676545 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is not a de Polignac number, because 345676545 - 2¹ = 345676543 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 345676545.

It is not an unprimeable number, because it can be changed into a prime (345676543) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 505774 + ... + 506456.

It is an arithmetic number, because the mean of its divisors is an integer number (10095840).

Almost surely, 2^345676545 is an apocalyptic number.

It is an amenable number.

345676545 is a deficient number, since it is larger than the sum of its proper divisors (300457215).

345676545 is a wasteful number, since it uses less digits than its factorization.

345676545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883 (or 877 counting only the distinct ones).

The product of its digits is 1512000, while the sum is 45.

The square root of 345676545 is about 18592.3786805239. The cubic root of 345676545 is about 701.8160632858.

The spelling of 345676545 in words is "three hundred forty-five million, six hundred seventy-six thousand, five hundred forty-five".