345446032 has 20 divisors (see below), whose sum is σ = 669896236. Its totient is φ = 172569600.

The previous prime is 345446021. The next prime is 345446071. The reversal of 345446032 is 230644543.

It can be written as a sum of positive squares in 2 ways, for example, as 56310016 + 289136016 = 7504^2 + 17004^2 .

It is a super-2 number, since 2×345446032² = 238665922049090048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 345445985 and 345446003.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10228 + ... + 28204.

Almost surely, 2^345446032 is an apocalyptic number.

It is an amenable number.

345446032 is a deficient number, since it is larger than the sum of its proper divisors (324450204).

345446032 is a wasteful number, since it uses less digits than its factorization.

345446032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19186 (or 19180 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 31.

The square root of 345446032 is about 18586.1785206104. The cubic root of 345446032 is about 701.6600275330.

The spelling of 345446032 in words is "three hundred forty-five million, four hundred forty-six thousand, thirty-two".