144755380 has 48 divisors (see below), whose sum is σ = 378999936. Its totient is φ = 45118080.

The previous prime is 144755371. The next prime is 144755389. The reversal of 144755380 is 83557441.

It is an interprime number because it is at equal distance from previous prime (144755371) and next prime (144755389).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144755389) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 45459 + ... + 48538.

It is an arithmetic number, because the mean of its divisors is an integer number (7895832).

Almost surely, 2^144755380 is an apocalyptic number.

144755380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144755380 is an abundant number, since it is smaller than the sum of its proper divisors (234244556).

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

144755380 is a wasteful number, since it uses less digits than its factorization.

144755380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94024 (or 94022 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 144755380 is about 12031.4329986083. The cubic root of 144755380 is about 525.0631881617.

The spelling of 144755380 in words is "one hundred forty-four million, seven hundred fifty-five thousand, three hundred eighty".