345354237 has 6 divisors (see below), whose sum is σ = 498845022. Its totient is φ = 230236152.

The previous prime is 345354227. The next prime is 345354253. The reversal of 345354237 is 732453543.

345354237 is a `hidden beast` number, since 34 + 53 + 542 + 37 = 666.

It can be written as a sum of positive squares in only one way, i.e., 256448196 + 88906041 = 16014^2 + 9429^2 .

It is not a de Polignac number, because 345354237 - 2⁴ = 345354221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345354227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19186338 + ... + 19186355.

It is an arithmetic number, because the mean of its divisors is an integer number (83140837).

Almost surely, 2^345354237 is an apocalyptic number.

It is an amenable number.

345354237 is a deficient number, since it is larger than the sum of its proper divisors (153490785).

345354237 is a wasteful number, since it uses less digits than its factorization.

345354237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38372699 (or 38372696 counting only the distinct ones).

The product of its digits is 151200, while the sum is 36.

The square root of 345354237 is about 18583.7089139924. The cubic root of 345354237 is about 701.5978715740.

The spelling of 345354237 in words is "three hundred forty-five million, three hundred fifty-four thousand, two hundred thirty-seven".