145165345 has 16 divisors (see below), whose sum is σ = 188959680. Its totient is φ = 106421184.

The previous prime is 145165333. The next prime is 145165367. The reversal of 145165345 is 543561541.

It is a cyclic number.

It is not a de Polignac number, because 145165345 - 2¹⁷ = 145034273 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145165345.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1002 + ... + 17068.

It is an arithmetic number, because the mean of its divisors is an integer number (11809980).

Almost surely, 2^145165345 is an apocalyptic number.

It is an amenable number.

145165345 is a deficient number, since it is larger than the sum of its proper divisors (43794335).

145165345 is a wasteful number, since it uses less digits than its factorization.

145165345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16224.

The product of its digits is 36000, while the sum is 34.

The square root of 145165345 is about 12048.4582001184. The cubic root of 145165345 is about 525.5584020808.

The spelling of 145165345 in words is "one hundred forty-five million, one hundred sixty-five thousand, three hundred forty-five".