345450000 has 360 divisors, whose sum is σ = 1325165184. Its totient is φ = 77280000.

The previous prime is 345449999. The next prime is 345450011. The reversal of 345450000 is 54543.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 7349977 + ... + 7350023.

Almost surely, 2^345450000 is an apocalyptic number.

345450000 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 345450000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (662582592).

345450000 is an abundant number, since it is smaller than the sum of its proper divisors (979715184).

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

345450000 is an equidigital number, since it uses as much as digits as its factorization.

345450000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97 (or 64 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 345450000 is about 18586.2852662925. The cubic root of 345450000 is about 701.6627140851.

The spelling of 345450000 in words is "three hundred forty-five million, four hundred fifty thousand".