144556023 has 8 divisors (see below), whose sum is σ = 193969648. Its totient is φ = 95756544.

The previous prime is 144556019. The next prime is 144556033. The reversal of 144556023 is 320655441.

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

It is not a de Polignac number, because 144556023 - 2² = 144556019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144556033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152986 + ... + 153927.

It is an arithmetic number, because the mean of its divisors is an integer number (24246206).

Almost surely, 2^144556023 is an apocalyptic number.

144556023 is a deficient number, since it is larger than the sum of its proper divisors (49413625).

144556023 is a wasteful number, since it uses less digits than its factorization.

144556023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307073.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 144556023 is about 12023.1453039544. The cubic root of 144556023 is about 524.8220385487.

The spelling of 144556023 in words is "one hundred forty-four million, five hundred fifty-six thousand, twenty-three".