145743144 has 32 divisors (see below), whose sum is σ = 364902720. Its totient is φ = 48508416.

The previous prime is 145743139. The next prime is 145743149. The reversal of 145743144 is 441347541.

It is an interprime number because it is at equal distance from previous prime (145743139) and next prime (145743149).

It is not an unprimeable number, because it can be changed into a prime (145743149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13272 + ... + 21624.

It is an arithmetic number, because the mean of its divisors is an integer number (11403210).

Almost surely, 2^145743144 is an apocalyptic number.

It is an amenable number.

145743144 is an abundant number, since it is smaller than the sum of its proper divisors (219159576).

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

145743144 is a wasteful number, since it uses less digits than its factorization.

145743144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9089 (or 9085 counting only the distinct ones).

The product of its digits is 26880, while the sum is 33.

The square root of 145743144 is about 12072.4125178027. The cubic root of 145743144 is about 526.2547691881.

The spelling of 145743144 in words is "one hundred forty-five million, seven hundred forty-three thousand, one hundred forty-four".