145143852 has 24 divisors (see below), whose sum is σ = 387050496. Its totient is φ = 41469648.

The previous prime is 145143851. The next prime is 145143853. The reversal of 145143852 is 258341541.

It is an interprime number because it is at equal distance from previous prime (145143851) and next prime (145143853).

It is not an unprimeable number, because it can be changed into a prime (145143851) 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, 863868 + ... + 864035.

It is an arithmetic number, because the mean of its divisors is an integer number (16127104).

Almost surely, 2^145143852 is an apocalyptic number.

145143852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145143852 is an abundant number, since it is smaller than the sum of its proper divisors (241906644).

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

145143852 is a wasteful number, since it uses less digits than its factorization.

145143852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1727917 (or 1727915 counting only the distinct ones).

The product of its digits is 19200, while the sum is 33.

The square root of 145143852 is about 12047.5662272510. The cubic root of 145143852 is about 525.5324629600.

The spelling of 145143852 in words is "one hundred forty-five million, one hundred forty-three thousand, eight hundred fifty-two".