345400454 has 8 divisors (see below), whose sum is σ = 592115088. Its totient is φ = 148028760.

The previous prime is 345400379. The next prime is 345400457. The reversal of 345400454 is 454004543.

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

It is a super-2 number, since 2×345400454² = 238602947246812232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345400457) 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, 12335717 + ... + 12335744.

It is an arithmetic number, because the mean of its divisors is an integer number (74014386).

Almost surely, 2^345400454 is an apocalyptic number.

345400454 is a deficient number, since it is larger than the sum of its proper divisors (246714634).

345400454 is a wasteful number, since it uses less digits than its factorization.

345400454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24671470.

The product of its (nonzero) digits is 19200, while the sum is 29.

The square root of 345400454 is about 18584.9523539879. The cubic root of 345400454 is about 701.6291672689.

Adding to 345400454 its reverse (454004543), we get a palindrome (799404997).

The spelling of 345400454 in words is "three hundred forty-five million, four hundred thousand, four hundred fifty-four".