144690165 has 64 divisors (see below), whose sum is σ = 268128000. Its totient is φ = 73965312.

The previous prime is 144690151. The next prime is 144690167. The reversal of 144690165 is 561096441.

It is not a de Polignac number, because 144690165 - 2⁷ = 144690037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144690167) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 414411 + ... + 414759.

It is an arithmetic number, because the mean of its divisors is an integer number (4189500).

Almost surely, 2^144690165 is an apocalyptic number.

144690165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

144690165 is a deficient number, since it is larger than the sum of its proper divisors (123437835).

144690165 is a wasteful number, since it uses less digits than its factorization.

144690165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483 (or 477 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 144690165 is about 12028.7225007479. The cubic root of 144690165 is about 524.9843260627.

The spelling of 144690165 in words is "one hundred forty-four million, six hundred ninety thousand, one hundred sixty-five".