143421054 has 32 divisors (see below), whose sum is σ = 342074880. Its totient is φ = 39195552.

The previous prime is 143421041. The next prime is 143421067. The reversal of 143421054 is 450124341.

It is an interprime number because it is at equal distance from previous prime (143421041) and next prime (143421067).

It is a congruent number.

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, 73269 + ... + 75200.

It is an arithmetic number, because the mean of its divisors is an integer number (10689840).

Almost surely, 2^143421054 is an apocalyptic number.

143421054 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

143421054 is an abundant number, since it is smaller than the sum of its proper divisors (198653826).

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

143421054 is a wasteful number, since it uses less digits than its factorization.

143421054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148504.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 143421054 is about 11975.8529550091. The cubic root of 143421054 is about 523.4448965864. Note that the first 3 decimals are identical.

Adding to 143421054 its reverse (450124341), we get a palindrome (593545395).

The spelling of 143421054 in words is "one hundred forty-three million, four hundred twenty-one thousand, fifty-four".