190009148 has 12 divisors (see below), whose sum is σ = 380018352. Its totient is φ = 81432480.

The previous prime is 190009123. The next prime is 190009151. The reversal of 190009148 is 841900091.

190009148 is an admirable number.

It is a super-2 number, since 2×190009148² = 72206952647371808, which contains 22 as substring.

It is a congruent number.

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, 3392993 + ... + 3393048.

It is an arithmetic number, because the mean of its divisors is an integer number (31668196).

Almost surely, 2^190009148 is an apocalyptic number.

It is an amenable number.

190009148 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

190009148 is a wasteful number, since it uses less digits than its factorization.

190009148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6786052 (or 6786050 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 190009148 is about 13784.3805809329. The cubic root of 190009148 is about 574.8989342219.

The spelling of 190009148 in words is "one hundred ninety million, nine thousand, one hundred forty-eight".