145093169 has 8 divisors (see below), whose sum is σ = 160477800. Its totient is φ = 130311936.

The previous prime is 145093163. The next prime is 145093189. The reversal of 145093169 is 961390541.

It can be written as a sum of positive squares in 4 ways, for example, as 59290000 + 85803169 = 7700^2 + 9263^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145093169 - 2¹⁶ = 145027633 is a prime.

It is a super-2 number, since 2×145093169² = 42104055380925122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145093163) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 150344 + ... + 151305.

It is an arithmetic number, because the mean of its divisors is an integer number (20059725).

Almost surely, 2^145093169 is an apocalyptic number.

It is an amenable number.

145093169 is a deficient number, since it is larger than the sum of its proper divisors (15384631).

145093169 is a wasteful number, since it uses less digits than its factorization.

145093169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301699.

The product of its (nonzero) digits is 29160, while the sum is 38.

The square root of 145093169 is about 12045.4625897057. The cubic root of 145093169 is about 525.4712853482.

The spelling of 145093169 in words is "one hundred forty-five million, ninety-three thousand, one hundred sixty-nine".