144212057 has 4 divisors (see below), whose sum is σ = 157322256. Its totient is φ = 131101860.

The previous prime is 144212053. The next prime is 144212059. The reversal of 144212057 is 750212441.

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 a cyclic number.

It is not a de Polignac number, because 144212057 - 2² = 144212053 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144212053) 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, 6555083 + ... + 6555104.

It is an arithmetic number, because the mean of its divisors is an integer number (39330564).

Almost surely, 2^144212057 is an apocalyptic number.

It is an amenable number.

144212057 is a deficient number, since it is larger than the sum of its proper divisors (13110199).

144212057 is a wasteful number, since it uses less digits than its factorization.

144212057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13110198.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 144212057 is about 12008.8324578204. The cubic root of 144212057 is about 524.4054427214.

Adding to 144212057 its reverse (750212441), we get a palindrome (894424498).

The spelling of 144212057 in words is "one hundred forty-four million, two hundred twelve thousand, fifty-seven".