345602145720 has 128 divisors (see below), whose sum is σ = 1122730539840. Its totient is φ = 84601221120.

The previous prime is 345602145689. The next prime is 345602145731. The reversal of 345602145720 is 27541206543.

It is a super-2 number, since 2×345602145720² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 329629 + ... + 894348.

Almost surely, 2^345602145720 is an apocalyptic number.

345602145720 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

345602145720 is an abundant number, since it is smaller than the sum of its proper divisors (777128394120).

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

345602145720 is a wasteful number, since it uses less digits than its factorization.

345602145720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224185 (or 1224181 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 39.

The spelling of 345602145720 in words is "three hundred forty-five billion, six hundred two million, one hundred forty-five thousand, seven hundred twenty".