345103040 has 56 divisors (see below), whose sum is σ = 857524320. Its totient is φ = 132036608.

The previous prime is 345103039. The next prime is 345103049. The reversal of 345103040 is 40301543.

It is a super-2 number, since 2×345103040² = 238192216434483200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (345103049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16085 + ... + 30804.

Almost surely, 2^345103040 is an apocalyptic number.

It is an amenable number.

345103040 is an abundant number, since it is smaller than the sum of its proper divisors (512421280).

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

345103040 is a wasteful number, since it uses less digits than its factorization.

345103040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46929 (or 46919 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 345103040 is about 18576.9491574908. The cubic root of 345103040 is about 701.4277254760.

Adding to 345103040 its reverse (40301543), we get a palindrome (385404583).

The spelling of 345103040 in words is "three hundred forty-five million, one hundred three thousand, forty".