189143802 has 32 divisors (see below), whose sum is σ = 445046400. Its totient is φ = 59338944.

The previous prime is 189143777. The next prime is 189143827. The reversal of 189143802 is 208341981.

It is an interprime number because it is at equal distance from previous prime (189143777) and next prime (189143827).

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, 102102 + ... + 103937.

It is an arithmetic number, because the mean of its divisors is an integer number (13907700).

Almost surely, 2^189143802 is an apocalyptic number.

189143802 is an abundant number, since it is smaller than the sum of its proper divisors (255902598).

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

189143802 is a wasteful number, since it uses less digits than its factorization.

189143802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206067 (or 206061 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 189143802 is about 13752.9561185950. The cubic root of 189143802 is about 574.0248646693.

The spelling of 189143802 in words is "one hundred eighty-nine million, one hundred forty-three thousand, eight hundred two".