144872668 has 6 divisors (see below), whose sum is σ = 253527176. Its totient is φ = 72436332.

The previous prime is 144872627. The next prime is 144872669. The reversal of 144872668 is 866278441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144872669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18109080 + ... + 18109087.

Almost surely, 2^144872668 is an apocalyptic number.

It is an amenable number.

144872668 is a deficient number, since it is larger than the sum of its proper divisors (108654508).

144872668 is a wasteful number, since it uses less digits than its factorization.

144872668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36218171 (or 36218169 counting only the distinct ones).

The product of its digits is 516096, while the sum is 46.

The square root of 144872668 is about 12036.3062440269. The cubic root of 144872668 is about 525.2049606379.

The spelling of 144872668 in words is "one hundred forty-four million, eight hundred seventy-two thousand, six hundred sixty-eight".