144726073 has 4 divisors (see below), whose sum is σ = 149394688. Its totient is φ = 140057460.

The previous prime is 144726067. The next prime is 144726079. The reversal of 144726073 is 370627441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (144726067) and next prime (144726079).

It is a cyclic number.

It is not a de Polignac number, because 144726073 - 2²¹ = 142628921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144726079) 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, 2334261 + ... + 2334322.

It is an arithmetic number, because the mean of its divisors is an integer number (37348672).

Almost surely, 2^144726073 is an apocalyptic number.

It is an amenable number.

144726073 is a deficient number, since it is larger than the sum of its proper divisors (4668615).

144726073 is an equidigital number, since it uses as much as digits as its factorization.

144726073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4668614.

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 144726073 is about 12030.2150022350. The cubic root of 144726073 is about 525.0277512164.

The spelling of 144726073 in words is "one hundred forty-four million, seven hundred twenty-six thousand, seventy-three".