190045488 has 40 divisors (see below), whose sum is σ = 492236848. Its totient is φ = 63182592.

The previous prime is 190045459. The next prime is 190045501. The reversal of 190045488 is 884540091.

It is a super-2 number, since 2×190045488² = 72234575018316288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14070 + ... + 24042.

Almost surely, 2^190045488 is an apocalyptic number.

It is an amenable number.

190045488 is an abundant number, since it is smaller than the sum of its proper divisors (302191360).

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

190045488 is a wasteful number, since it uses less digits than its factorization.

190045488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10381 (or 10375 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 190045488 is about 13785.6986765271. The cubic root of 190045488 is about 574.9355824496.

The spelling of 190045488 in words is "one hundred ninety million, forty-five thousand, four hundred eighty-eight".