345549382 has 4 divisors (see below), whose sum is σ = 518324076. Its totient is φ = 172774690.

The previous prime is 345549359. The next prime is 345549383. The reversal of 345549382 is 283945543.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345549383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86387344 + ... + 86387347.

It is an arithmetic number, because the mean of its divisors is an integer number (129581019).

Almost surely, 2^345549382 is an apocalyptic number.

345549382 is a deficient number, since it is larger than the sum of its proper divisors (172774694).

345549382 is a wasteful number, since it uses less digits than its factorization.

345549382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172774693.

The product of its digits is 518400, while the sum is 43.

The square root of 345549382 is about 18588.9586045050. The cubic root of 345549382 is about 701.7299944034.

The spelling of 345549382 in words is "three hundred forty-five million, five hundred forty-nine thousand, three hundred eighty-two".