144634620 has 48 divisors (see below), whose sum is σ = 436131360. Its totient is φ = 35602176.

The previous prime is 144634579. The next prime is 144634621. The reversal of 144634620 is 26436441.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144634621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91935 + ... + 93494.

It is an arithmetic number, because the mean of its divisors is an integer number (9086070).

Almost surely, 2^144634620 is an apocalyptic number.

144634620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144634620 is an abundant number, since it is smaller than the sum of its proper divisors (291496740).

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

144634620 is a wasteful number, since it uses less digits than its factorization.

144634620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185454 (or 185452 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 144634620 is about 12026.4134304455. The cubic root of 144634620 is about 524.9171388501.

The spelling of 144634620 in words is "one hundred forty-four million, six hundred thirty-four thousand, six hundred twenty".