144052436 has 18 divisors (see below), whose sum is σ = 277093530. Its totient is φ = 65478160.

The previous prime is 144052411. The next prime is 144052439. The reversal of 144052436 is 634250441.

It can be written as a sum of positive squares in only one way, i.e., 106915600 + 37136836 = 10340^2 + 6094^2 .

It is a super-2 number, since 2×144052436² = 41502208635068192, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 144052399 and 144052408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144052439) 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, 148331 + ... + 149298.

It is an arithmetic number, because the mean of its divisors is an integer number (15394085).

Almost surely, 2^144052436 is an apocalyptic number.

It is an amenable number.

144052436 is a deficient number, since it is larger than the sum of its proper divisors (133041094).

144052436 is a wasteful number, since it uses less digits than its factorization.

144052436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297655 (or 297642 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 144052436 is about 12002.1846344738. The cubic root of 144052436 is about 524.2118920450.

The spelling of 144052436 in words is "one hundred forty-four million, fifty-two thousand, four hundred thirty-six".