144572818 has 8 divisors (see below), whose sum is σ = 233540748. Its totient is φ = 66725904.

The previous prime is 144572789. The next prime is 144572819. The reversal of 144572818 is 818275441.

It can be written as a sum of positive squares in 2 ways, for example, as 143928009 + 644809 = 11997^2 + 803^2 .

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

It is a super-2 number, since 2×144572818² = 41802599408922248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144572819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2780221 + ... + 2780272.

Almost surely, 2^144572818 is an apocalyptic number.

144572818 is a deficient number, since it is larger than the sum of its proper divisors (88967930).

144572818 is a wasteful number, since it uses less digits than its factorization.

144572818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5560508.

The product of its digits is 71680, while the sum is 40.

The square root of 144572818 is about 12023.8437281927. The cubic root of 144572818 is about 524.8423629521.

The spelling of 144572818 in words is "one hundred forty-four million, five hundred seventy-two thousand, eight hundred eighteen".