144454322 has 4 divisors (see below), whose sum is σ = 216681486. Its totient is φ = 72227160.

The previous prime is 144454319. The next prime is 144454351. The reversal of 144454322 is 223454441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 223454441 = 7 ⋅31922063.

It can be written as a sum of positive squares in only one way, i.e., 98227921 + 46226401 = 9911^2 + 6799^2 .

It is a super-2 number, since 2×144454322² = 41734102288959368, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36113579 + ... + 36113582.

Almost surely, 2^144454322 is an apocalyptic number.

144454322 is a deficient number, since it is larger than the sum of its proper divisors (72227164).

144454322 is an equidigital number, since it uses as much as digits as its factorization.

144454322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72227163.

The product of its digits is 15360, while the sum is 29.

The square root of 144454322 is about 12018.9151756721. The cubic root of 144454322 is about 524.6989318411.

The spelling of 144454322 in words is "one hundred forty-four million, four hundred fifty-four thousand, three hundred twenty-two".