144451011 has 8 divisors (see below), whose sum is σ = 194471680. Its totient is φ = 95365512.

The previous prime is 144451007. The next prime is 144451033. The reversal of 144451011 is 110154441.

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

It is not a de Polignac number, because 144451011 - 2² = 144451007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144451711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233431 + ... + 234048.

It is an arithmetic number, because the mean of its divisors is an integer number (24308960).

Almost surely, 2^144451011 is an apocalyptic number.

144451011 is a deficient number, since it is larger than the sum of its proper divisors (50020669).

144451011 is a wasteful number, since it uses less digits than its factorization.

144451011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467585.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 144451011 is about 12018.7774336660. Note that the first 3 decimals coincide. The cubic root of 144451011 is about 524.6949229811.

The spelling of 144451011 in words is "one hundred forty-four million, four hundred fifty-one thousand, eleven".