345615500 has 24 divisors (see below), whose sum is σ = 754825344. Its totient is φ = 138246000.

The previous prime is 345615469. The next prime is 345615509. The reversal of 345615500 is 5516543.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (345615509) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 345116 + ... + 346115.

It is an arithmetic number, because the mean of its divisors is an integer number (31451056).

Almost surely, 2^345615500 is an apocalyptic number.

It is an amenable number.

345615500 is an abundant number, since it is smaller than the sum of its proper divisors (409209844).

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

345615500 is a wasteful number, since it uses less digits than its factorization.

345615500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691250 (or 691238 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 345615500 is about 18590.7369407455. The cubic root of 345615500 is about 701.7747482816.

The spelling of 345615500 in words is "three hundred forty-five million, six hundred fifteen thousand, five hundred".