345331077 has 48 divisors (see below), whose sum is σ = 580995072. Its totient is φ = 180835200.

The previous prime is 345331073. The next prime is 345331109. The reversal of 345331077 is 770133543.

It is a happy number.

345331077 is nontrivially palindromic in base 4.

It is not a de Polignac number, because 345331077 - 2² = 345331073 is a prime.

345331077 is a modest number, since divided by 31077 gives 3453 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345331073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 299452 + ... + 300602.

It is an arithmetic number, because the mean of its divisors is an integer number (12104064).

Almost surely, 2^345331077 is an apocalyptic number.

It is an amenable number.

345331077 is a deficient number, since it is larger than the sum of its proper divisors (235663995).

345331077 is a wasteful number, since it uses less digits than its factorization.

345331077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338 (or 1331 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 33.

The square root of 345331077 is about 18583.0857771254. The cubic root of 345331077 is about 701.5821878034.

It can be divided in two parts, 3453 and 31077, that multiplied together give a square (107308881 = 10359²).

The spelling of 345331077 in words is "three hundred forty-five million, three hundred thirty-one thousand, seventy-seven".