345641745 has 8 divisors (see below), whose sum is σ = 553026816. Its totient is φ = 184342256.

The previous prime is 345641729. The next prime is 345641761. The reversal of 345641745 is 547146543.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (345641729) and next prime (345641761).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 345641745 - 2⁴ = 345641729 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11521377 + ... + 11521406.

It is an arithmetic number, because the mean of its divisors is an integer number (69128352).

Almost surely, 2^345641745 is an apocalyptic number.

It is an amenable number.

345641745 is a deficient number, since it is larger than the sum of its proper divisors (207385071).

345641745 is a wasteful number, since it uses less digits than its factorization.

345641745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23042791.

The product of its digits is 201600, while the sum is 39.

The square root of 345641745 is about 18591.4427896277. The cubic root of 345641745 is about 701.7925113855.

The spelling of 345641745 in words is "three hundred forty-five million, six hundred forty-one thousand, seven hundred forty-five".