143455146 has 32 divisors (see below), whose sum is σ = 311205888. Its totient is φ = 43906560.

The previous prime is 143455127. The next prime is 143455177. The reversal of 143455146 is 641554341.

143455146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12970 + ... + 21333.

It is an arithmetic number, because the mean of its divisors is an integer number (9725184).

Almost surely, 2^143455146 is an apocalyptic number.

143455146 is an abundant number, since it is smaller than the sum of its proper divisors (167750742).

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

143455146 is a wasteful number, since it uses less digits than its factorization.

143455146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34366.

The product of its digits is 28800, while the sum is 33.

The square root of 143455146 is about 11977.2762346036. The cubic root of 143455146 is about 523.4863685765.

It can be divided in two parts, 14345 and 5146, that added together give a palindrome (19491).

The spelling of 143455146 in words is "one hundred forty-three million, four hundred fifty-five thousand, one hundred forty-six".