144561052 has 24 divisors (see below), whose sum is σ = 255983616. Its totient is φ = 71427888.

The previous prime is 144561031. The next prime is 144561071. The reversal of 144561052 is 250165441.

It is a self number, because there is not a number n which added to its sum of digits gives 144561052.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194193 + ... + 194935.

It is an arithmetic number, because the mean of its divisors is an integer number (10665984).

Almost surely, 2^144561052 is an apocalyptic number.

It is an amenable number.

144561052 is a deficient number, since it is larger than the sum of its proper divisors (111422564).

144561052 is a wasteful number, since it uses less digits than its factorization.

144561052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257 (or 1255 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 144561052 is about 12023.3544404214. The cubic root of 144561052 is about 524.8281245384.

The spelling of 144561052 in words is "one hundred forty-four million, five hundred sixty-one thousand, fifty-two".