428900190146 has 8 divisors (see below), whose sum is σ = 643363084044. Its totient is φ = 214445828800.

The previous prime is 428900190113. The next prime is 428900190151. The reversal of 428900190146 is 641091009824.

It can be written as a sum of positive squares in 2 ways, for example, as 420890835121 + 8009355025 = 648761^2 + 89495^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 428900190097 and 428900190106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2005955 + ... + 2209446.

Almost surely, 2^428900190146 is an apocalyptic number.

428900190146 is a deficient number, since it is larger than the sum of its proper divisors (214462893898).

428900190146 is a wasteful number, since it uses less digits than its factorization.

428900190146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4266276.

The product of its (nonzero) digits is 124416, while the sum is 44.

The spelling of 428900190146 in words is "four hundred twenty-eight billion, nine hundred million, one hundred ninety thousand, one hundred forty-six".