144133990 has 192 divisors, whose sum is σ = 378520128. Its totient is φ = 39029760.

The previous prime is 144133967. The next prime is 144133993. The reversal of 144133990 is 99331441.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144133993) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8478462 + ... + 8478478.

It is an arithmetic number, because the mean of its divisors is an integer number (1971459).

Almost surely, 2^144133990 is an apocalyptic number.

144133990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144133990 is an abundant number, since it is smaller than the sum of its proper divisors (234386138).

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

144133990 is a wasteful number, since it uses less digits than its factorization.

144133990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84 (or 55 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 144133990 is about 12005.5816185639. The cubic root of 144133990 is about 524.3107993424.

The spelling of 144133990 in words is "one hundred forty-four million, one hundred thirty-three thousand, nine hundred ninety".