345355002 has 28 divisors (see below), whose sum is σ = 776696730. Its totient is φ = 115117848.

The previous prime is 345354979. The next prime is 345355009. The reversal of 345355002 is 200553543.

It can be written as a sum of positive squares in only one way, i.e., 273935601 + 71419401 = 16551^2 + 8451^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (345355009) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 116977 + ... + 119892.

Almost surely, 2^345355002 is an apocalyptic number.

345355002 is an abundant number, since it is smaller than the sum of its proper divisors (431341728).

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

345355002 is an equidigital number, since it uses as much as digits as its factorization.

345355002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236889 (or 236874 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 27.

The square root of 345355002 is about 18583.7294965246. The cubic root of 345355002 is about 701.5983896141.

The spelling of 345355002 in words is "three hundred forty-five million, three hundred fifty-five thousand, two".