144764745 has 8 divisors (see below), whose sum is σ = 231623616. Its totient is φ = 77207856.

The previous prime is 144764731. The next prime is 144764777. The reversal of 144764745 is 547467441.

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

It is not a de Polignac number, because 144764745 - 2⁵ = 144764713 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144764697 and 144764706.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4825477 + ... + 4825506.

It is an arithmetic number, because the mean of its divisors is an integer number (28952952).

Almost surely, 2^144764745 is an apocalyptic number.

144764745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

144764745 is a deficient number, since it is larger than the sum of its proper divisors (86858871).

144764745 is an equidigital number, since it uses as much as digits as its factorization.

144764745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9650991.

The product of its digits is 376320, while the sum is 42.

The square root of 144764745 is about 12031.8221811993. The cubic root of 144764745 is about 525.0745109664.

The spelling of 144764745 in words is "one hundred forty-four million, seven hundred sixty-four thousand, seven hundred forty-five".