144451061 has 4 divisors (see below), whose sum is σ = 147810432. Its totient is φ = 141091692.

The previous prime is 144451049. The next prime is 144451067. The reversal of 144451061 is 160154441.

144451061 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144451061 is a prime.

It is a super-2 number, since 2×144451061² = 41732218048051442, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 144451061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144451067) 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, 1679621 + ... + 1679706.

It is an arithmetic number, because the mean of its divisors is an integer number (36952608).

Almost surely, 2^144451061 is an apocalyptic number.

It is an amenable number.

144451061 is a deficient number, since it is larger than the sum of its proper divisors (3359371).

144451061 is an equidigital number, since it uses as much as digits as its factorization.

144451061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3359370.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 144451061 is about 12018.7795137443. The cubic root of 144451061 is about 524.6949835201.

The spelling of 144451061 in words is "one hundred forty-four million, four hundred fifty-one thousand, sixty-one".