190450343 has 4 divisors (see below), whose sum is σ = 191950080. Its totient is φ = 188950608.

The previous prime is 190450339. The next prime is 190450349. The reversal of 190450343 is 343054091.

190450343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 190450343 - 2² = 190450339 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190450349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 749678 + ... + 749931.

It is an arithmetic number, because the mean of its divisors is an integer number (47987520).

Almost surely, 2^190450343 is an apocalyptic number.

190450343 is a deficient number, since it is larger than the sum of its proper divisors (1499737).

190450343 is a wasteful number, since it uses less digits than its factorization.

190450343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1499736.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 190450343 is about 13800.3747412887. The cubic root of 190450343 is about 575.3435557472.

The spelling of 190450343 in words is "one hundred ninety million, four hundred fifty thousand, three hundred forty-three".