345504134 has 4 divisors (see below), whose sum is σ = 518256204. Its totient is φ = 172752066.

The previous prime is 345504121. The next prime is 345504139. The reversal of 345504134 is 431405543.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×345504134² = 238746213222179912, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 345504097 and 345504106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345504139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86376032 + ... + 86376035.

It is an arithmetic number, because the mean of its divisors is an integer number (129564051).

Almost surely, 2^345504134 is an apocalyptic number.

345504134 is a deficient number, since it is larger than the sum of its proper divisors (172752070).

345504134 is a wasteful number, since it uses less digits than its factorization.

345504134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172752069.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 345504134 is about 18587.7414980949. The cubic root of 345504134 is about 701.6993636972.

Adding to 345504134 its reverse (431405543), we get a palindrome (776909677).

The spelling of 345504134 in words is "three hundred forty-five million, five hundred four thousand, one hundred thirty-four".