345140361 has 12 divisors (see below), whose sum is σ = 498721860. Its totient is φ = 230007840.

The previous prime is 345140359. The next prime is 345140371. The reversal of 345140361 is 163041543.

It can be written as a sum of positive squares in 2 ways, for example, as 321520761 + 23619600 = 17931^2 + 4860^2 .

It is not a de Polignac number, because 345140361 - 2¹ = 345140359 is a prime.

It is not an unprimeable number, because it can be changed into a prime (345140351) 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, 26875 + ... + 37583.

It is an arithmetic number, because the mean of its divisors is an integer number (41560155).

Almost surely, 2^345140361 is an apocalyptic number.

It is an amenable number.

345140361 is a deficient number, since it is larger than the sum of its proper divisors (153581499).

345140361 is a wasteful number, since it uses less digits than its factorization.

345140361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14296 (or 14293 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 345140361 is about 18577.9536278892. The cubic root of 345140361 is about 701.4530097510.

The spelling of 345140361 in words is "three hundred forty-five million, one hundred forty thousand, three hundred sixty-one".