144842774 has 8 divisors (see below), whose sum is σ = 218565648. Its totient is φ = 71987560.

The previous prime is 144842741. The next prime is 144842777. The reversal of 144842774 is 477248441.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144842777) 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, 216497 + ... + 217164.

It is an arithmetic number, because the mean of its divisors is an integer number (27320706).

Almost surely, 2^144842774 is an apocalyptic number.

144842774 is a deficient number, since it is larger than the sum of its proper divisors (73722874).

144842774 is a wasteful number, since it uses less digits than its factorization.

144842774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433830.

The product of its digits is 200704, while the sum is 41.

The square root of 144842774 is about 12035.0643537955. The cubic root of 144842774 is about 525.1688333790.

The spelling of 144842774 in words is "one hundred forty-four million, eight hundred forty-two thousand, seven hundred seventy-four".