146944665 has 64 divisors (see below), whose sum is σ = 301086720. Its totient is φ = 66605760.

The previous prime is 146944639. The next prime is 146944667. The reversal of 146944665 is 566449641.

It is a happy number.

146944665 is a `hidden beast` number, since 146 + 9 + 446 + 65 = 666.

It is not a de Polignac number, because 146944665 - 2¹¹ = 146942617 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 146944665.

It is not an unprimeable number, because it can be changed into a prime (146944667) 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 63 ways as a sum of consecutive naturals, for example, 123202 + ... + 124388.

It is an arithmetic number, because the mean of its divisors is an integer number (4704480).

Almost surely, 2^146944665 is an apocalyptic number.

146944665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

146944665 is an abundant number, since it is smaller than the sum of its proper divisors (154142055).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

146944665 is a wasteful number, since it uses less digits than its factorization.

146944665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1339 (or 1333 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 146944665 is about 12122.0734612524. The cubic root of 146944665 is about 527.6969787625.

The spelling of 146944665 in words is "one hundred forty-six million, nine hundred forty-four thousand, six hundred sixty-five".