345434355 has 96 divisors (see below), whose sum is σ = 734737920. Its totient is φ = 150828480.

The previous prime is 345434347. The next prime is 345434357. The reversal of 345434355 is 553434543.

It is not a de Polignac number, because 345434355 - 2³ = 345434347 is a prime.

It is a super-2 number, since 2×345434355² = 238649787228532050, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (345434357) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 499560 + ... + 500250.

It is an arithmetic number, because the mean of its divisors is an integer number (7653520).

Almost surely, 2^345434355 is an apocalyptic number.

345434355 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

345434355 is an abundant number, since it is smaller than the sum of its proper divisors (389303565).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

345434355 is a wasteful number, since it uses less digits than its factorization.

345434355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758 (or 729 counting only the distinct ones).

The product of its digits is 216000, while the sum is 36.

The square root of 345434355 is about 18585.8643866784. The cubic root of 345434355 is about 701.6521214486.

Adding to 345434355 its reverse (553434543), we get a palindrome (898868898).

The spelling of 345434355 in words is "three hundred forty-five million, four hundred thirty-four thousand, three hundred fifty-five".