143474340 has 24 divisors (see below), whose sum is σ = 401728320. Its totient is φ = 38259808.

The previous prime is 143474327. The next prime is 143474341. The reversal of 143474340 is 43474341.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 143474298 and 143474307.

It is not an unprimeable number, because it can be changed into a prime (143474341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1195560 + ... + 1195679.

It is an arithmetic number, because the mean of its divisors is an integer number (16738680).

Almost surely, 2^143474340 is an apocalyptic number.

143474340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143474340 is an abundant number, since it is smaller than the sum of its proper divisors (258253980).

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

143474340 is a wasteful number, since it uses less digits than its factorization.

143474340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2391251 (or 2391249 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 30.

The square root of 143474340 is about 11978.0774751210. The cubic root of 143474340 is about 523.5097146642.

Subtracting from 143474340 its reverse (43474341), we obtain a palindrome (99999999).

The spelling of 143474340 in words is "one hundred forty-three million, four hundred seventy-four thousand, three hundred forty".