147446016169 has 3 divisors (see below), whose sum is σ = 147446400157. Its totient is φ = 147445632182.

The previous prime is 147446016149. The next prime is 147446016191. The reversal of 147446016169 is 961610644741.

The square root of 147446016169 is 383987.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 147446016169 - 2⁹ = 147446015657 is a prime.

It is a super-2 number, since 2×147446016169² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147446016149) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 191994 + ... + 575980.

Almost surely, 2^147446016169 is an apocalyptic number.

147446016169 is the 383987-th square number.

147446016169 is the 191994-th centered octagonal number.

It is an amenable number.

147446016169 is a deficient number, since it is larger than the sum of its proper divisors (383988).

147446016169 is an frugal number, since it uses more digits than its factorization.

147446016169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767974 (or 383987 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 49.

Multiplying 147446016169 by its sum of digits (49), we get a square (7224854792281 = 2687909²).

The spelling of 147446016169 in words is "one hundred forty-seven billion, four hundred forty-six million, sixteen thousand, one hundred sixty-nine".