345140525 has 12 divisors (see below), whose sum is σ = 428436864. Its totient is φ = 275814000.

The previous prime is 345140449. The next prime is 345140527. The reversal of 345140525 is 525041543.

It is not a de Polignac number, because 345140525 - 2¹⁸ = 344878381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345140527) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17810 + ... + 31740.

It is an arithmetic number, because the mean of its divisors is an integer number (35703072).

Almost surely, 2^345140525 is an apocalyptic number.

It is an amenable number.

345140525 is a deficient number, since it is larger than the sum of its proper divisors (83296339).

345140525 is a wasteful number, since it uses less digits than its factorization.

345140525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14932 (or 14927 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 345140525 is about 18577.9580417225. The cubic root of 345140525 is about 701.4531208539.

The spelling of 345140525 in words is "three hundred forty-five million, one hundred forty thousand, five hundred twenty-five".