345454431 has 8 divisors (see below), whose sum is σ = 526406784. Its totient is φ = 197402520.

The previous prime is 345454423. The next prime is 345454453. The reversal of 345454431 is 134454543.

It is a happy number.

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

It is not a de Polignac number, because 345454431 - 2³ = 345454423 is a prime.

It is a super-2 number, since 2×345454431² = 238677527795067522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 345454392 and 345454401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345454231) 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, 8225085 + ... + 8225126.

It is an arithmetic number, because the mean of its divisors is an integer number (65800848).

Almost surely, 2^345454431 is an apocalyptic number.

345454431 is a deficient number, since it is larger than the sum of its proper divisors (180952353).

345454431 is a wasteful number, since it uses less digits than its factorization.

345454431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16450221.

The product of its digits is 57600, while the sum is 33.

The square root of 345454431 is about 18586.4044667063. The cubic root of 345454431 is about 701.6657140892.

The spelling of 345454431 in words is "three hundred forty-five million, four hundred fifty-four thousand, four hundred thirty-one".