345745512 has 48 divisors (see below), whose sum is σ = 1070166240. Its totient is φ = 98784288.

The previous prime is 345745469. The next prime is 345745529. The reversal of 345745512 is 215547543.

345745512 is a `hidden beast` number, since 34 + 5 + 74 + 551 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 11 ways as a sum of consecutive naturals, for example, 342498 + ... + 343505.

It is an arithmetic number, because the mean of its divisors is an integer number (22295130).

Almost surely, 2^345745512 is an apocalyptic number.

It is an amenable number.

345745512 is an abundant number, since it is smaller than the sum of its proper divisors (724420728).

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

345745512 is a wasteful number, since it uses less digits than its factorization.

345745512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686022 (or 686015 counting only the distinct ones).

The product of its digits is 84000, while the sum is 36.

The square root of 345745512 is about 18594.2332996013. The cubic root of 345745512 is about 701.8627340156.

The spelling of 345745512 in words is "three hundred forty-five million, seven hundred forty-five thousand, five hundred twelve".