144802445 has 8 divisors (see below), whose sum is σ = 173881080. Its totient is φ = 115763200.

The previous prime is 144802429. The next prime is 144802451. The reversal of 144802445 is 544208441.

It can be written as a sum of positive squares in 4 ways, for example, as 93450889 + 51351556 = 9667^2 + 7166^2 .

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

It is not a de Polignac number, because 144802445 - 2⁴ = 144802429 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1040 + ... + 17049.

It is an arithmetic number, because the mean of its divisors is an integer number (21735135).

Almost surely, 2^144802445 is an apocalyptic number.

It is an amenable number.

144802445 is a deficient number, since it is larger than the sum of its proper divisors (29078635).

144802445 is a wasteful number, since it uses less digits than its factorization.

144802445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19695.

The product of its (nonzero) digits is 20480, while the sum is 32.

The square root of 144802445 is about 12033.3887579518. The cubic root of 144802445 is about 525.1200874198.

The spelling of 144802445 in words is "one hundred forty-four million, eight hundred two thousand, four hundred forty-five".