345140125 has 32 divisors (see below), whose sum is σ = 474649344. Its totient is φ = 248472000.

The previous prime is 345140123. The next prime is 345140141. The reversal of 345140125 is 521041543.

It is a happy number.

It is not a de Polignac number, because 345140125 - 2¹ = 345140123 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 345140125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345140123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 140407 + ... + 142843.

It is an arithmetic number, because the mean of its divisors is an integer number (14832792).

Almost surely, 2^345140125 is an apocalyptic number.

It is an amenable number.

345140125 is a deficient number, since it is larger than the sum of its proper divisors (129509219).

345140125 is a wasteful number, since it uses less digits than its factorization.

345140125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2566 (or 2556 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 345140125 is about 18577.9472762736. The cubic root of 345140125 is about 701.4528498712.

Adding to 345140125 its reverse (521041543), we get a palindrome (866181668).

The spelling of 345140125 in words is "three hundred forty-five million, one hundred forty thousand, one hundred twenty-five".