144923629 has 4 divisors (see below), whose sum is σ = 145122076. Its totient is φ = 144725184.

The previous prime is 144923599. The next prime is 144923651. The reversal of 144923629 is 926329441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 103938025 + 40985604 = 10195^2 + 6402^2 .

It is a cyclic number.

It is not a de Polignac number, because 144923629 - 2¹⁵ = 144890861 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144923591 and 144923600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144933629) 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, 98124 + ... + 99589.

It is an arithmetic number, because the mean of its divisors is an integer number (36280519).

Almost surely, 2^144923629 is an apocalyptic number.

It is an amenable number.

144923629 is a deficient number, since it is larger than the sum of its proper divisors (198447).

144923629 is an equidigital number, since it uses as much as digits as its factorization.

144923629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198446.

The product of its digits is 93312, while the sum is 40.

The square root of 144923629 is about 12038.4230279551. The cubic root of 144923629 is about 525.2665361641.

The spelling of 144923629 in words is "one hundred forty-four million, nine hundred twenty-three thousand, six hundred twenty-nine".