144501012 has 18 divisors (see below), whose sum is σ = 365266538. Its totient is φ = 48166992.

The previous prime is 144501001. The next prime is 144501017. The reversal of 144501012 is 210105441.

It can be written as a sum of positive squares in only one way, i.e., 134235396 + 10265616 = 11586^2 + 3204^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144501017) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2006923 + ... + 2006994.

Almost surely, 2^144501012 is an apocalyptic number.

144501012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

144501012 is an abundant number, since it is smaller than the sum of its proper divisors (220765526).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144501012 is a wasteful number, since it uses less digits than its factorization.

144501012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4013927 (or 4013922 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 144501012 is about 12020.8573737483. The cubic root of 144501012 is about 524.7554561777.

Adding to 144501012 its reverse (210105441), we get a palindrome (354606453).

The spelling of 144501012 in words is "one hundred forty-four million, five hundred one thousand, twelve".