345515534 has 32 divisors (see below), whose sum is σ = 639830016. Its totient is φ = 136268640.

The previous prime is 345515473. The next prime is 345515539. The reversal of 345515534 is 435515543.

It is a junction number, because it is equal to n+sod(n) for n = 345515494 and 345515503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345515539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60419 + ... + 65889.

It is an arithmetic number, because the mean of its divisors is an integer number (19994688).

Almost surely, 2^345515534 is an apocalyptic number.

345515534 is a deficient number, since it is larger than the sum of its proper divisors (294314482).

345515534 is a wasteful number, since it uses less digits than its factorization.

345515534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5840.

The product of its digits is 90000, while the sum is 35.

The square root of 345515534 is about 18588.0481492813. The cubic root of 345515534 is about 701.7070811975.

Subtracting 345515534 from its reverse (435515543), we obtain a palindrome (90000009).

It can be divided in two parts, 345 and 515534, that multiplied together give a triangular number (177859230 = T₁₈₈₆₀).

The spelling of 345515534 in words is "three hundred forty-five million, five hundred fifteen thousand, five hundred thirty-four".