145322165 has 16 divisors (see below), whose sum is σ = 191548800. Its totient is φ = 105348672.

The previous prime is 145322147. The next prime is 145322173. The reversal of 145322165 is 561223541.

It is a cyclic number.

It is not a de Polignac number, because 145322165 - 2⁶ = 145322101 is a prime.

It is a super-2 number, since 2×145322165² = 42237063280574450, which contains 22 as substring.

It is a congruent number.

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, 31070 + ... + 35439.

It is an arithmetic number, because the mean of its divisors is an integer number (11971800).

Almost surely, 2^145322165 is an apocalyptic number.

It is an amenable number.

145322165 is a deficient number, since it is larger than the sum of its proper divisors (46226635).

145322165 is a wasteful number, since it uses less digits than its factorization.

145322165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66556.

The product of its digits is 7200, while the sum is 29.

The square root of 145322165 is about 12054.9643301007. The cubic root of 145322165 is about 525.7475849928.

The spelling of 145322165 in words is "one hundred forty-five million, three hundred twenty-two thousand, one hundred sixty-five".