68141545 has 16 divisors (see below), whose sum is σ = 82816272. Its totient is φ = 53821440.

The previous prime is 68141539. The next prime is 68141597. The reversal of 68141545 is 54514186.

It can be written as a sum of positive squares in 8 ways, for example, as 2725801 + 65415744 = 1651^2 + 8088^2 .

It is not a de Polignac number, because 68141545 - 2³ = 68141537 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68141545.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 232419 + ... + 232711.

It is an arithmetic number, because the mean of its divisors is an integer number (5176017).

Almost surely, 2^68141545 is an apocalyptic number.

It is an amenable number.

68141545 is a deficient number, since it is larger than the sum of its proper divisors (14674727).

68141545 is a wasteful number, since it uses less digits than its factorization.

68141545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732.

The product of its digits is 19200, while the sum is 34.

The square root of 68141545 is about 8254.7892159643. The cubic root of 68141545 is about 408.4485187565.

It can be divided in two parts, 68141 and 545, that added together give a palindrome (68686).

The spelling of 68141545 in words is "sixty-eight million, one hundred forty-one thousand, five hundred forty-five".