345147653 has 4 divisors (see below), whose sum is σ = 348373440. Its totient is φ = 341921868.

The previous prime is 345147643. The next prime is 345147661. The reversal of 345147653 is 356741543.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345147653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345147643) 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, 1612733 + ... + 1612946.

It is an arithmetic number, because the mean of its divisors is an integer number (87093360).

Almost surely, 2^345147653 is an apocalyptic number.

It is an amenable number.

345147653 is a deficient number, since it is larger than the sum of its proper divisors (3225787).

345147653 is a wasteful number, since it uses less digits than its factorization.

345147653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3225786.

The product of its digits is 151200, while the sum is 38.

The square root of 345147653 is about 18578.1498809758. The cubic root of 345147653 is about 701.4579497309.

The spelling of 345147653 in words is "three hundred forty-five million, one hundred forty-seven thousand, six hundred fifty-three".