144569052 has 36 divisors (see below), whose sum is σ = 370071520. Its totient is φ = 47578752.

The previous prime is 144569021. The next prime is 144569059. The reversal of 144569052 is 250965441.

144569052 is a `hidden beast` number, since 1 + 44 + 569 + 0 + 52 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 144568998 and 144569016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144569059) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22573 + ... + 28260.

Almost surely, 2^144569052 is an apocalyptic number.

144569052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

144569052 is an abundant number, since it is smaller than the sum of its proper divisors (225502468).

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

144569052 is a wasteful number, since it uses less digits than its factorization.

144569052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50922 (or 50917 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 144569052 is about 12023.6871216778. The cubic root of 144569052 is about 524.8378056789.

The spelling of 144569052 in words is "one hundred forty-four million, five hundred sixty-nine thousand, fifty-two".