345147870 has 32 divisors (see below), whose sum is σ = 829232640. Its totient is φ = 91941920.

The previous prime is 345147851. The next prime is 345147871. The reversal of 345147870 is 78741543.

345147870 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345147871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25351 + ... + 36509.

It is an arithmetic number, because the mean of its divisors is an integer number (25913520).

Almost surely, 2^345147870 is an apocalyptic number.

345147870 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

345147870 is an abundant number, since it is smaller than the sum of its proper divisors (484084770).

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

345147870 is a wasteful number, since it uses less digits than its factorization.

345147870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12200.

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 345147870 is about 18578.1557211689. The cubic root of 345147870 is about 701.4580967369.

The spelling of 345147870 in words is "three hundred forty-five million, one hundred forty-seven thousand, eight hundred seventy".