144069066 has 24 divisors (see below), whose sum is σ = 312457860. Its totient is φ = 47975616.

The previous prime is 144069043. The next prime is 144069097. The reversal of 144069066 is 660960441.

It can be written as a sum of positive squares in 2 ways, for example, as 142922025 + 1147041 = 11955^2 + 1071^2 .

It is a super-2 number, since 2×144069066² = 41511791556224712, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 144069066.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18120 + ... + 24828.

Almost surely, 2^144069066 is an apocalyptic number.

144069066 is an abundant number, since it is smaller than the sum of its proper divisors (168388794).

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

144069066 is a wasteful number, since it uses less digits than its factorization.

144069066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7910 (or 7907 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 144069066 is about 12002.8774050225. The cubic root of 144069066 is about 524.2320636542.

The spelling of 144069066 in words is "one hundred forty-four million, sixty-nine thousand, sixty-six".