144262147 has 4 divisors (see below), whose sum is σ = 145883160. Its totient is φ = 142641136.

The previous prime is 144262103. The next prime is 144262159. The reversal of 144262147 is 741262441.

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

It is a cyclic number.

It is not a de Polignac number, because 144262147 - 2²³ = 135873539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144266147) 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, 810373 + ... + 810550.

It is an arithmetic number, because the mean of its divisors is an integer number (36470790).

Almost surely, 2^144262147 is an apocalyptic number.

144262147 is a deficient number, since it is larger than the sum of its proper divisors (1621013).

144262147 is an equidigital number, since it uses as much as digits as its factorization.

144262147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1621012.

The product of its digits is 10752, while the sum is 31.

The square root of 144262147 is about 12010.9178250457. The cubic root of 144262147 is about 524.4661506089.

The spelling of 144262147 in words is "one hundred forty-four million, two hundred sixty-two thousand, one hundred forty-seven".