143253012 has 24 divisors (see below), whose sum is σ = 382008256. Its totient is φ = 40929408.

The previous prime is 143253007. The next prime is 143253017. The reversal of 143253012 is 210352341.

It is an interprime number because it is at equal distance from previous prime (143253007) and next prime (143253017).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 143253012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143253017) 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, 852613 + ... + 852780.

Almost surely, 2^143253012 is an apocalyptic number.

143253012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

143253012 is an abundant number, since it is smaller than the sum of its proper divisors (238755244).

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

143253012 is a wasteful number, since it uses less digits than its factorization.

143253012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1705407 (or 1705405 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 143253012 is about 11968.8350310295. The cubic root of 143253012 is about 523.2403819751.

The spelling of 143253012 in words is "one hundred forty-three million, two hundred fifty-three thousand, twelve".