144671722 has 8 divisors (see below), whose sum is σ = 233700516. Its totient is φ = 66771552.

The previous prime is 144671713. The next prime is 144671729. The reversal of 144671722 is 227176441.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 144504441 + 167281 = 12021^2 + 409^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (144671729) 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, 2782123 + ... + 2782174.

Almost surely, 2^144671722 is an apocalyptic number.

144671722 is a deficient number, since it is larger than the sum of its proper divisors (89028794).

144671722 is a wasteful number, since it uses less digits than its factorization.

144671722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5564312.

The product of its digits is 18816, while the sum is 34.

The square root of 144671722 is about 12027.9558529286. The cubic root of 144671722 is about 524.9620193234.

The spelling of 144671722 in words is "one hundred forty-four million, six hundred seventy-one thousand, seven hundred twenty-two".