144458612 has 6 divisors (see below), whose sum is σ = 252802578. Its totient is φ = 72229304.

The previous prime is 144458603. The next prime is 144458617. The reversal of 144458612 is 216854441.

It can be written as a sum of positive squares in only one way, i.e., 134699236 + 9759376 = 11606^2 + 3124^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144458617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18057323 + ... + 18057330.

It is an arithmetic number, because the mean of its divisors is an integer number (42133763).

Almost surely, 2^144458612 is an apocalyptic number.

It is an amenable number.

144458612 is a deficient number, since it is larger than the sum of its proper divisors (108343966).

144458612 is a wasteful number, since it uses less digits than its factorization.

144458612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36114657 (or 36114655 counting only the distinct ones).

The product of its digits is 30720, while the sum is 35.

The square root of 144458612 is about 12019.0936430332. The cubic root of 144458612 is about 524.7041259539.

The spelling of 144458612 in words is "one hundred forty-four million, four hundred fifty-eight thousand, six hundred twelve".