144954561 has 8 divisors (see below), whose sum is σ = 193471744. Its totient is φ = 96536880.

The previous prime is 144954541. The next prime is 144954583. The reversal of 144954561 is 165459441.

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

It is not a de Polignac number, because 144954561 - 2¹⁰ = 144953537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144954541) 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, 21406 + ... + 27351.

It is an arithmetic number, because the mean of its divisors is an integer number (24183968).

Almost surely, 2^144954561 is an apocalyptic number.

It is an amenable number.

144954561 is a deficient number, since it is larger than the sum of its proper divisors (48517183).

144954561 is an equidigital number, since it uses as much as digits as its factorization.

144954561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49751.

The product of its digits is 86400, while the sum is 39.

The square root of 144954561 is about 12039.7076791756. The cubic root of 144954561 is about 525.3039038655.

The spelling of 144954561 in words is "one hundred forty-four million, nine hundred fifty-four thousand, five hundred sixty-one".