348145738 has 4 divisors (see below), whose sum is σ = 522218610. Its totient is φ = 174072868.

The previous prime is 348145709. The next prime is 348145747. The reversal of 348145738 is 837541843.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 837541843 = 181 ⋅4627303.

It can be written as a sum of positive squares in only one way, i.e., 344584969 + 3560769 = 18563^2 + 1887^2 .

It is a junction number, because it is equal to n+sod(n) for n = 348145694 and 348145703.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 87036433 + ... + 87036436.

Almost surely, 2^348145738 is an apocalyptic number.

348145738 is a deficient number, since it is larger than the sum of its proper divisors (174072872).

348145738 is a wasteful number, since it uses less digits than its factorization.

348145738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174072871.

The product of its digits is 322560, while the sum is 43.

The square root of 348145738 is about 18658.6638857127. The cubic root of 348145738 is about 703.4831414728.

The spelling of 348145738 in words is "three hundred forty-eight million, one hundred forty-five thousand, seven hundred thirty-eight".