147069541 has 4 divisors (see below), whose sum is σ = 149844492. Its totient is φ = 144294592.

The previous prime is 147069539. The next prime is 147069547. The reversal of 147069541 is 145960741.

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

It can be written as a sum of positive squares in 2 ways, for example, as 122567041 + 24502500 = 11071^2 + 4950^2 .

It is a cyclic number.

It is not a de Polignac number, because 147069541 - 2¹ = 147069539 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 147069541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147069547) 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 3 ways as a sum of consecutive naturals, for example, 1387396 + ... + 1387501.

It is an arithmetic number, because the mean of its divisors is an integer number (37461123).

Almost surely, 2^147069541 is an apocalyptic number.

It is an amenable number.

147069541 is a deficient number, since it is larger than the sum of its proper divisors (2774951).

147069541 is an equidigital number, since it uses as much as digits as its factorization.

147069541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2774950.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 147069541 is about 12127.2231363985. The cubic root of 147069541 is about 527.8464183039.

The spelling of 147069541 in words is "one hundred forty-seven million, sixty-nine thousand, five hundred forty-one".