144942029 has 4 divisors (see below), whose sum is σ = 149940060. Its totient is φ = 139944000.

The previous prime is 144942023. The next prime is 144942037. The reversal of 144942029 is 920249441.

It is a happy number.

144942029 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 64032004 + 80910025 = 8002^2 + 8995^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144942029 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144942029.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144942023) 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, 2498972 + ... + 2499029.

It is an arithmetic number, because the mean of its divisors is an integer number (37485015).

Almost surely, 2^144942029 is an apocalyptic number.

It is an amenable number.

144942029 is a deficient number, since it is larger than the sum of its proper divisors (4998031).

144942029 is an equidigital number, since it uses as much as digits as its factorization.

144942029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4998030.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 144942029 is about 12039.1872233968. The cubic root of 144942029 is about 525.2887651025.

The spelling of 144942029 in words is "one hundred forty-four million, nine hundred forty-two thousand, twenty-nine".