345141020 has 48 divisors (see below), whose sum is σ = 830269440. Its totient is φ = 118058304.

The previous prime is 345140981. The next prime is 345141029. The reversal of 345141020 is 20141543.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 345140983 and 345141001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345141029) 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, 62741 + ... + 68019.

It is an arithmetic number, because the mean of its divisors is an integer number (17297280).

Almost surely, 2^345141020 is an apocalyptic number.

It is an amenable number.

345141020 is an abundant number, since it is smaller than the sum of its proper divisors (485128420).

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

345141020 is a wasteful number, since it uses less digits than its factorization.

345141020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5762 (or 5760 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 345141020 is about 18577.9713639568. The cubic root of 345141020 is about 701.4534561947.

Adding to 345141020 its reverse (20141543), we get a palindrome (365282563).

The spelling of 345141020 in words is "three hundred forty-five million, one hundred forty-one thousand, twenty".