345245214490 has 32 divisors (see below), whose sum is σ = 678853586880. Its totient is φ = 125373801600.

The previous prime is 345245214487. The next prime is 345245214529. The reversal of 345245214490 is 94412542543.

It is a super-2 number, since 2×345245214490² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2042251 + ... + 2204830.

It is an arithmetic number, because the mean of its divisors is an integer number (21214174590).

Almost surely, 2^345245214490 is an apocalyptic number.

345245214490 is a deficient number, since it is larger than the sum of its proper divisors (333608372390).

345245214490 is a wasteful number, since it uses less digits than its factorization.

345245214490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4247838.

The product of its (nonzero) digits is 691200, while the sum is 43.

The spelling of 345245214490 in words is "three hundred forty-five billion, two hundred forty-five million, two hundred fourteen thousand, four hundred ninety".