345402522 has 32 divisors (see below), whose sum is σ = 768182400. Its totient is φ = 115041024.

The previous prime is 345402479. The next prime is 345402529. The reversal of 345402522 is 225204543.

It is a happy number.

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 (345402529) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108538 + ... + 111674.

It is an arithmetic number, because the mean of its divisors is an integer number (24005700).

Almost surely, 2^345402522 is an apocalyptic number.

345402522 is an abundant number, since it is smaller than the sum of its proper divisors (422779878).

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

345402522 is a wasteful number, since it uses less digits than its factorization.

345402522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5187 (or 5181 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 345402522 is about 18585.0079903131. The cubic root of 345402522 is about 701.6305675433.

The spelling of 345402522 in words is "three hundred forty-five million, four hundred two thousand, five hundred twenty-two".