144270746 has 4 divisors (see below), whose sum is σ = 216406122. Its totient is φ = 72135372.

The previous prime is 144270701. The next prime is 144270757. The reversal of 144270746 is 647072441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 647072441 = 1523 ⋅424867.

It can be written as a sum of positive squares in only one way, i.e., 133148521 + 11122225 = 11539^2 + 3335^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36067685 + ... + 36067688.

Almost surely, 2^144270746 is an apocalyptic number.

144270746 is a deficient number, since it is larger than the sum of its proper divisors (72135376).

144270746 is an equidigital number, since it uses as much as digits as its factorization.

144270746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72135375.

The product of its (nonzero) digits is 37632, while the sum is 35.

The square root of 144270746 is about 12011.2757856940. The cubic root of 144270746 is about 524.4765709789.

The spelling of 144270746 in words is "one hundred forty-four million, two hundred seventy thousand, seven hundred forty-six".