144402604 has 6 divisors (see below), whose sum is σ = 252704564. Its totient is φ = 72201300.

The previous prime is 144402547. The next prime is 144402611. The reversal of 144402604 is 406204441.

It is a super-2 number, since 2×144402604² = 41704224083961632, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18050322 + ... + 18050329.

Almost surely, 2^144402604 is an apocalyptic number.

It is an amenable number.

144402604 is a deficient number, since it is larger than the sum of its proper divisors (108301960).

144402604 is a wasteful number, since it uses less digits than its factorization.

144402604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36100655 (or 36100653 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 144402604 is about 12016.7634577701. The cubic root of 144402604 is about 524.6363062348.

The spelling of 144402604 in words is "one hundred forty-four million, four hundred two thousand, six hundred four".