190289030146 has 4 divisors (see below), whose sum is σ = 285433545222. Its totient is φ = 95144515072.

The previous prime is 190289030089. The next prime is 190289030189. The reversal of 190289030146 is 641030982091.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 129546005625 + 60743024521 = 359925^2 + 246461^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47572257535 + ... + 47572257538.

Almost surely, 2^190289030146 is an apocalyptic number.

190289030146 is a deficient number, since it is larger than the sum of its proper divisors (95144515076).

190289030146 is an equidigital number, since it uses as much as digits as its factorization.

190289030146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95144515075.

The product of its (nonzero) digits is 93312, while the sum is 43.

The spelling of 190289030146 in words is "one hundred ninety billion, two hundred eighty-nine million, thirty thousand, one hundred forty-six".