144400051 has 4 divisors (see below), whose sum is σ = 144446400. Its totient is φ = 144353704.

The previous prime is 144400033. The next prime is 144400079. The reversal of 144400051 is 150004441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 144400051 - 2¹¹ = 144398003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144400001) 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, 18136 + ... + 24853.

It is an arithmetic number, because the mean of its divisors is an integer number (36111600).

Almost surely, 2^144400051 is an apocalyptic number.

144400051 is a deficient number, since it is larger than the sum of its proper divisors (46349).

144400051 is an equidigital number, since it uses as much as digits as its factorization.

144400051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46348.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 144400051 is about 12016.6572306944. The cubic root of 144400051 is about 524.6332144060.

Adding to 144400051 its reverse (150004441), we get a palindrome (294404492).

The spelling of 144400051 in words is "one hundred forty-four million, four hundred thousand, fifty-one".