143381051 has 8 divisors (see below), whose sum is σ = 157228464. Its totient is φ = 129669120.

The previous prime is 143381039. The next prime is 143381053. The reversal of 143381051 is 150183341.

143381051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 143381051 - 2⁶ = 143380987 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 143381051.

It is not an unprimeable number, because it can be changed into a prime (143381053) 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, 31646 + ... + 35891.

It is an arithmetic number, because the mean of its divisors is an integer number (19653558).

Almost surely, 2^143381051 is an apocalyptic number.

143381051 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

143381051 is a deficient number, since it is larger than the sum of its proper divisors (13847413).

143381051 is a wasteful number, since it uses less digits than its factorization.

143381051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67741.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 143381051 is about 11974.1826860959. The cubic root of 143381051 is about 523.3962256446.

The spelling of 143381051 in words is "one hundred forty-three million, three hundred eighty-one thousand, fifty-one".