144290404 has 6 divisors (see below), whose sum is σ = 252508214. Its totient is φ = 72145200.

The previous prime is 144290401. The next prime is 144290411. The reversal of 144290404 is 404092441.

It can be written as a sum of positive squares in only one way, i.e., 114062400 + 30228004 = 10680^2 + 5498^2 .

It is not an unprimeable number, because it can be changed into a prime (144290401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18036297 + ... + 18036304.

Almost surely, 2^144290404 is an apocalyptic number.

It is an amenable number.

144290404 is a deficient number, since it is larger than the sum of its proper divisors (108217810).

144290404 is a wasteful number, since it uses less digits than its factorization.

144290404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36072605 (or 36072603 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 144290404 is about 12012.0940722257. The cubic root of 144290404 is about 524.5003912207.

The spelling of 144290404 in words is "one hundred forty-four million, two hundred ninety thousand, four hundred four".