144879745 has 8 divisors (see below), whose sum is σ = 174230784. Its totient is φ = 115653744.

The previous prime is 144879743. The next prime is 144879767. The reversal of 144879745 is 547978441.

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

It is a cyclic number.

It is not a de Polignac number, because 144879745 - 2¹ = 144879743 is a prime.

It is a super-2 number, since 2×144879745² = 41980281022530050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144879743) 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, 28689 + ... + 33358.

It is an arithmetic number, because the mean of its divisors is an integer number (21778848).

Almost surely, 2^144879745 is an apocalyptic number.

It is an amenable number.

144879745 is a deficient number, since it is larger than the sum of its proper divisors (29351039).

144879745 is an equidigital number, since it uses as much as digits as its factorization.

144879745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62519.

The product of its digits is 1128960, while the sum is 49.

The square root of 144879745 is about 12036.6002259774. The cubic root of 144879745 is about 525.2135125500.

The spelling of 144879745 in words is "one hundred forty-four million, eight hundred seventy-nine thousand, seven hundred forty-five".