345240146 has 16 divisors (see below), whose sum is σ = 553256160. Its totient is φ = 161092800.

The previous prime is 345240139. The next prime is 345240197. The reversal of 345240146 is 641042543.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65255 + ... + 70346.

It is an arithmetic number, because the mean of its divisors is an integer number (34578510).

Almost surely, 2^345240146 is an apocalyptic number.

345240146 is a deficient number, since it is larger than the sum of its proper divisors (208016014).

345240146 is a wasteful number, since it uses less digits than its factorization.

345240146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135689.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 345240146 is about 18580.6390094636. The cubic root of 345240146 is about 701.5206032599.

Adding to 345240146 its reverse (641042543), we get a palindrome (986282689).

The spelling of 345240146 in words is "three hundred forty-five million, two hundred forty thousand, one hundred forty-six".