143402874 has 8 divisors (see below), whose sum is σ = 286805760. Its totient is φ = 47800956.

The previous prime is 143402873. The next prime is 143402891. The reversal of 143402874 is 478204341.

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

143402874 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (143402873) 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 3 ways as a sum of consecutive naturals, for example, 11950234 + ... + 11950245.

It is an arithmetic number, because the mean of its divisors is an integer number (35850720).

Almost surely, 2^143402874 is an apocalyptic number.

143402874 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

143402874 is a wasteful number, since it uses less digits than its factorization.

143402874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23900484.

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 143402874 is about 11975.0939035984. The cubic root of 143402874 is about 523.4227784243.

The spelling of 143402874 in words is "one hundred forty-three million, four hundred two thousand, eight hundred seventy-four".