144561132 has 48 divisors (see below), whose sum is σ = 396839520. Its totient is φ = 45351936.

The previous prime is 144561127. The next prime is 144561133. The reversal of 144561132 is 231165441.

It is a happy number.

144561132 is a `hidden beast` number, since 1 + 4 + 45 + 611 + 3 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 144561096 and 144561105.

It is not an unprimeable number, because it can be changed into a prime (144561133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37533 + ... + 41204.

It is an arithmetic number, because the mean of its divisors is an integer number (8267490).

Almost surely, 2^144561132 is an apocalyptic number.

144561132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

144561132 is an abundant number, since it is smaller than the sum of its proper divisors (252278388).

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

144561132 is a wasteful number, since it uses less digits than its factorization.

144561132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78767 (or 78759 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 144561132 is about 12023.3577672795. The cubic root of 144561132 is about 524.8282213516.

The spelling of 144561132 in words is "one hundred forty-four million, five hundred sixty-one thousand, one hundred thirty-two".