345154646 has 16 divisors (see below), whose sum is σ = 558275760. Its totient is φ = 159505920.

The previous prime is 345154639. The next prime is 345154697. The reversal of 345154646 is 646451543.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109211 + ... + 112326.

It is an arithmetic number, because the mean of its divisors is an integer number (34892235).

Almost surely, 2^345154646 is an apocalyptic number.

345154646 is a deficient number, since it is larger than the sum of its proper divisors (213121114).

345154646 is a wasteful number, since it uses less digits than its factorization.

345154646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221599.

The product of its digits is 172800, while the sum is 38.

The square root of 345154646 is about 18578.3380849849. The cubic root of 345154646 is about 701.4626870873.

The spelling of 345154646 in words is "three hundred forty-five million, one hundred fifty-four thousand, six hundred forty-six".