144402622 has 32 divisors (see below), whose sum is σ = 280627200. Its totient is φ = 54118368.

The previous prime is 144402617. The next prime is 144402631. The reversal of 144402622 is 226204441.

It is a happy number.

It is a super-3 number, since 3×144402622³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17422 + ... + 24337.

It is an arithmetic number, because the mean of its divisors is an integer number (8769600).

Almost surely, 2^144402622 is an apocalyptic number.

144402622 is a deficient number, since it is larger than the sum of its proper divisors (136224578).

144402622 is a wasteful number, since it uses less digits than its factorization.

144402622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41800.

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

The square root of 144402622 is about 12016.7642067239. The cubic root of 144402622 is about 524.6363280337.

The spelling of 144402622 in words is "one hundred forty-four million, four hundred two thousand, six hundred twenty-two".