144084477 has 4 divisors (see below), whose sum is σ = 192112640. Its totient is φ = 96056316.

The previous prime is 144084389. The next prime is 144084487. The reversal of 144084477 is 774480441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 144084477 - 2⁷ = 144084349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144084487) 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, 24014077 + ... + 24014082.

It is an arithmetic number, because the mean of its divisors is an integer number (48028160).

Almost surely, 2^144084477 is an apocalyptic number.

It is an amenable number.

144084477 is a deficient number, since it is larger than the sum of its proper divisors (48028163).

144084477 is an equidigital number, since it uses as much as digits as its factorization.

144084477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48028162.

The product of its (nonzero) digits is 100352, while the sum is 39.

The square root of 144084477 is about 12003.5193589214. The cubic root of 144084477 is about 524.2507552732.

The spelling of 144084477 in words is "one hundred forty-four million, eighty-four thousand, four hundred seventy-seven".