345405650 has 24 divisors (see below), whose sum is σ = 643244544. Its totient is φ = 137992400.

The previous prime is 345405637. The next prime is 345405653. The reversal of 345405650 is 56504543.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (345405653) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41759 + ... + 49341.

It is an arithmetic number, because the mean of its divisors is an integer number (26801856).

Almost surely, 2^345405650 is an apocalyptic number.

345405650 is a deficient number, since it is larger than the sum of its proper divisors (297838894).

345405650 is a wasteful number, since it uses less digits than its factorization.

345405650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8506 (or 8501 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

The square root of 345405650 is about 18585.0921439739. The cubic root of 345405650 is about 701.6326855492.

The spelling of 345405650 in words is "three hundred forty-five million, four hundred five thousand, six hundred fifty".