144020552 has 16 divisors (see below), whose sum is σ = 290810940. Its totient is φ = 66470976.

The previous prime is 144020543. The next prime is 144020579. The reversal of 144020552 is 255020441.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 143185156 + 835396 = 11966^2 + 914^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 692303 + ... + 692510.

Almost surely, 2^144020552 is an apocalyptic number.

It is an amenable number.

144020552 is an abundant number, since it is smaller than the sum of its proper divisors (146790388).

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

144020552 is a wasteful number, since it uses less digits than its factorization.

144020552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1384832 (or 1384828 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 144020552 is about 12000.8563027811. The cubic root of 144020552 is about 524.1732135246.

Adding to 144020552 its reverse (255020441), we get a palindrome (399040993).

The spelling of 144020552 in words is "one hundred forty-four million, twenty thousand, five hundred fifty-two".