144699994 has 8 divisors (see below), whose sum is σ = 217915488. Its totient is φ = 72061500.

The previous prime is 144699977. The next prime is 144700019. The reversal of 144699994 is 499996441.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143622 + ... + 144625.

It is an arithmetic number, because the mean of its divisors is an integer number (27239436).

Almost surely, 2^144699994 is an apocalyptic number.

144699994 is a deficient number, since it is larger than the sum of its proper divisors (73215494).

144699994 is a wasteful number, since it uses less digits than its factorization.

144699994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288500.

The product of its digits is 2519424, while the sum is 55.

The square root of 144699994 is about 12029.1310575619. The cubic root of 144699994 is about 524.9962134270.

The spelling of 144699994 in words is "one hundred forty-four million, six hundred ninety-nine thousand, nine hundred ninety-four".