143149512 has 64 divisors (see below), whose sum is σ = 391809600. Its totient is φ = 43223040.

The previous prime is 143149511. The next prime is 143149529. The reversal of 143149512 is 215941341.

It is a self number, because there is not a number n which added to its sum of digits gives 143149512.

It is not an unprimeable number, because it can be changed into a prime (143149511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88164 + ... + 89772.

It is an arithmetic number, because the mean of its divisors is an integer number (6122025).

Almost surely, 2^143149512 is an apocalyptic number.

143149512 is a gapful number since it is divisible by the number (12) 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 143149512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195904800).

143149512 is an abundant number, since it is smaller than the sum of its proper divisors (248660088).

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

143149512 is a wasteful number, since it uses less digits than its factorization.

143149512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1966 (or 1962 counting only the distinct ones).

The product of its digits is 4320, while the sum is 30.

The square root of 143149512 is about 11964.5105207025. The cubic root of 143149512 is about 523.1143382561.

The spelling of 143149512 in words is "one hundred forty-three million, one hundred forty-nine thousand, five hundred twelve".