345421852402 has 16 divisors (see below), whose sum is σ = 565817910624. Its totient is φ = 156848224000.

The previous prime is 345421852387. The next prime is 345421852427. The reversal of 345421852402 is 204258124543.

It is a super-2 number, since 2×345421852402² (a number of 24 digits) contains 22 as substring.

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, 8063599 + ... + 8106322.

It is an arithmetic number, because the mean of its divisors is an integer number (35363619414).

Almost surely, 2^345421852402 is an apocalyptic number.

345421852402 is a deficient number, since it is larger than the sum of its proper divisors (220396058222).

345421852402 is a wasteful number, since it uses less digits than its factorization.

345421852402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16170905.

The product of its (nonzero) digits is 307200, while the sum is 40.

Adding to 345421852402 its reverse (204258124543), we get a palindrome (549679976945).

The spelling of 345421852402 in words is "three hundred forty-five billion, four hundred twenty-one million, eight hundred fifty-two thousand, four hundred two".