144150640 has 40 divisors (see below), whose sum is σ = 337398048. Its totient is φ = 57273600.

The previous prime is 144150623. The next prime is 144150679. The reversal of 144150640 is 46051441.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6114 + ... + 18046.

Almost surely, 2^144150640 is an apocalyptic number.

144150640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144150640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168699024).

144150640 is an abundant number, since it is smaller than the sum of its proper divisors (193247408).

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

144150640 is a wasteful number, since it uses less digits than its factorization.

144150640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12097 (or 12091 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 144150640 is about 12006.2750260020. The cubic root of 144150640 is about 524.3309875915.

The spelling of 144150640 in words is "one hundred forty-four million, one hundred fifty thousand, six hundred forty".