190457234 has 16 divisors (see below), whose sum is σ = 318906720. Its totient is φ = 84557760.

The previous prime is 190457221. The next prime is 190457291. The reversal of 190457234 is 432754091.

It is a junction number, because it is equal to n+sod(n) for n = 190457194 and 190457203.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 99719 + ... + 101610.

It is an arithmetic number, because the mean of its divisors is an integer number (19931670).

Almost surely, 2^190457234 is an apocalyptic number.

190457234 is a deficient number, since it is larger than the sum of its proper divisors (128449486).

190457234 is a wasteful number, since it uses less digits than its factorization.

190457234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201385.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 190457234 is about 13800.6244061637. The cubic root of 190457234 is about 575.3504948169.

The spelling of 190457234 in words is "one hundred ninety million, four hundred fifty-seven thousand, two hundred thirty-four".