144642018 has 16 divisors (see below), whose sum is σ = 306300960. Its totient is φ = 45377856.

The previous prime is 144641993. The next prime is 144642023. The reversal of 144642018 is 810246441.

It is a super-2 number, since 2×144642018² = 41842626742224648, which contains 22 as substring.

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, 708928 + ... + 709131.

It is an arithmetic number, because the mean of its divisors is an integer number (19143810).

Almost surely, 2^144642018 is an apocalyptic number.

144642018 is an abundant number, since it is smaller than the sum of its proper divisors (161658942).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144642018 is a wasteful number, since it uses less digits than its factorization.

144642018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1418081.

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 144642018 is about 12026.7209995077. The cubic root of 144642018 is about 524.9260884611.

Adding to 144642018 its reverse (810246441), we get a palindrome (954888459).

The spelling of 144642018 in words is "one hundred forty-four million, six hundred forty-two thousand, eighteen".