345455400 has 96 divisors (see below), whose sum is σ = 1117517760. Its totient is φ = 88112640.

The previous prime is 345455393. The next prime is 345455437. The reversal of 345455400 is 4554543.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1284 + ... + 26316.

It is an arithmetic number, because the mean of its divisors is an integer number (11640810).

Almost surely, 2^345455400 is an apocalyptic number.

345455400 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 345455400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (558758880).

345455400 is an abundant number, since it is smaller than the sum of its proper divisors (772062360).

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

345455400 is a wasteful number, since it uses less digits than its factorization.

345455400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25075 (or 25066 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 30.

The square root of 345455400 is about 18586.4305341289. The cubic root of 345455400 is about 701.6663701462. Note that the first 3 decimals are identical.

The spelling of 345455400 in words is "three hundred forty-five million, four hundred fifty-five thousand, four hundred".