345400146 has 64 divisors (see below), whose sum is σ = 944697600. Its totient is φ = 91093248.

The previous prime is 345400093. The next prime is 345400151. The reversal of 345400146 is 641004543.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30231 + ... + 40058.

It is an arithmetic number, because the mean of its divisors is an integer number (14760900).

Almost surely, 2^345400146 is an apocalyptic number.

345400146 is an abundant number, since it is smaller than the sum of its proper divisors (599297454).

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

345400146 is a wasteful number, since it uses less digits than its factorization.

345400146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70320 (or 70314 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 345400146 is about 18584.9440677124. The cubic root of 345400146 is about 701.6289587169.

Adding to 345400146 its reverse (641004543), we get a palindrome (986404689).

The spelling of 345400146 in words is "three hundred forty-five million, four hundred thousand, one hundred forty-six".