144446045 has 4 divisors (see below), whose sum is σ = 173335260. Its totient is φ = 115556832.

The previous prime is 144446033. The next prime is 144446053. The reversal of 144446045 is 540644441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17455684 + 126990361 = 4178^2 + 11269^2 .

It is a cyclic number.

It is not a de Polignac number, because 144446045 - 2²⁴ = 127668829 is a prime.

It is a super-2 number, since 2×144446045² = 41729319832284050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14444600 + ... + 14444609.

It is an arithmetic number, because the mean of its divisors is an integer number (43333815).

Almost surely, 2^144446045 is an apocalyptic number.

It is an amenable number.

144446045 is a deficient number, since it is larger than the sum of its proper divisors (28889215).

144446045 is an equidigital number, since it uses as much as digits as its factorization.

144446045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28889214.

The product of its (nonzero) digits is 30720, while the sum is 32.

The square root of 144446045 is about 12018.5708384982. The cubic root of 144446045 is about 524.6889101817.

The spelling of 144446045 in words is "one hundred forty-four million, four hundred forty-six thousand, forty-five".