145540165 has 8 divisors (see below), whose sum is σ = 178710048. Its totient is φ = 113724240.

The previous prime is 145540163. The next prime is 145540177. The reversal of 145540165 is 561045541.

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

It is not a de Polignac number, because 145540165 - 2¹ = 145540163 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145540163) 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 7 ways as a sum of consecutive naturals, for example, 338251 + ... + 338680.

It is an arithmetic number, because the mean of its divisors is an integer number (22338756).

Almost surely, 2^145540165 is an apocalyptic number.

It is an amenable number.

145540165 is a deficient number, since it is larger than the sum of its proper divisors (33169883).

145540165 is an equidigital number, since it uses as much as digits as its factorization.

145540165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676979.

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 145540165 is about 12064.0028597477. The cubic root of 145540165 is about 526.0103476401.

The spelling of 145540165 in words is "one hundred forty-five million, five hundred forty thousand, one hundred sixty-five".