345164421 has 8 divisors (see below), whose sum is σ = 525964864. Its totient is φ = 197236800.

The previous prime is 345164419. The next prime is 345164531. The reversal of 345164421 is 124461543.

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

It is not a de Polignac number, because 345164421 - 2¹ = 345164419 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 (345164321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8218180 + ... + 8218221.

It is an arithmetic number, because the mean of its divisors is an integer number (65745608).

Almost surely, 2^345164421 is an apocalyptic number.

It is an amenable number.

345164421 is a deficient number, since it is larger than the sum of its proper divisors (180800443).

345164421 is a wasteful number, since it uses less digits than its factorization.

345164421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16436411.

The product of its digits is 11520, while the sum is 30.

The square root of 345164421 is about 18578.6011583219. The cubic root of 345164421 is about 701.4693089818.

The spelling of 345164421 in words is "three hundred forty-five million, one hundred sixty-four thousand, four hundred twenty-one".