144452107 has 4 divisors (see below), whose sum is σ = 148356256. Its totient is φ = 140547960.

The previous prime is 144452071. The next prime is 144452149. The reversal of 144452107 is 701254441.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144452107 is a prime.

It is a super-2 number, since 2×144452107² = 41732822433478898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144452177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1952019 + ... + 1952092.

It is an arithmetic number, because the mean of its divisors is an integer number (37089064).

Almost surely, 2^144452107 is an apocalyptic number.

144452107 is a deficient number, since it is larger than the sum of its proper divisors (3904149).

144452107 is an equidigital number, since it uses as much as digits as its factorization.

144452107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3904148.

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 144452107 is about 12018.8230288993. The cubic root of 144452107 is about 524.6962499920.

The spelling of 144452107 in words is "one hundred forty-four million, four hundred fifty-two thousand, one hundred seven".