144068771 has 36 divisors (see below), whose sum is σ = 188342136. Its totient is φ = 109872840.

The previous prime is 144068767. The next prime is 144068777. The reversal of 144068771 is 177860441.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is not a de Polignac number, because 144068771 - 2² = 144068767 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144068777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3065270 + ... + 3065316.

It is an arithmetic number, because the mean of its divisors is an integer number (5231726).

Almost surely, 2^144068771 is an apocalyptic number.

144068771 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

144068771 is a deficient number, since it is larger than the sum of its proper divisors (44273365).

144068771 is an frugal number, since it uses more digits than its factorization.

144068771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141 (or 65 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 38.

The square root of 144068771 is about 12002.8651162962. The cubic root of 144068771 is about 524.2317058430.

The spelling of 144068771 in words is "one hundred forty-four million, sixty-eight thousand, seven hundred seventy-one".