345630310258 has 4 divisors (see below), whose sum is σ = 518445465390. Its totient is φ = 172815155128.

The previous prime is 345630310253. The next prime is 345630310271. The reversal of 345630310258 is 852013036543.

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., 315660814569 + 29969495689 = 561837^2 + 173117^2 .

It is a super-2 number, since 2×345630310258² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 345630310258.

It is not an unprimeable number, because it can be changed into a prime (345630310253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86407577563 + ... + 86407577566.

Almost surely, 2^345630310258 is an apocalyptic number.

345630310258 is a deficient number, since it is larger than the sum of its proper divisors (172815155132).

345630310258 is a wasteful number, since it uses less digits than its factorization.

345630310258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172815155131.

The product of its (nonzero) digits is 259200, while the sum is 40.

The spelling of 345630310258 in words is "three hundred forty-five billion, six hundred thirty million, three hundred ten thousand, two hundred fifty-eight".