345602 has 4 divisors (see below), whose sum is σ = 518406. Its totient is φ = 172800.

The previous prime is 345601. The next prime is 345607. The reversal of 345602 is 206543.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 192721 + 152881 = 439^2 + 391^2 .

It is a d-powerful number, because it can be written as 3 + 4⁸ + 6⁷ + 5³ + 0 + 2 .

It is not an unprimeable number, because it can be changed into a prime (345601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86399 + ... + 86402.

2³⁴⁵⁶⁰² is an apocalyptic number.

345602 is a deficient number, since it is larger than the sum of its proper divisors (172804).

345602 is a wasteful number, since it uses less digits than its factorization.

345602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172803.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 345602 is about 587.8792393000. The cubic root of 345602 is about 70.1765610880.

It can be divided in two parts, 345 and 602, that multiplied together give a triangular number (207690 = T₆₄₄).

The spelling of 345602 in words is "three hundred forty-five thousand, six hundred two".