146990195 has 24 divisors (see below), whose sum is σ = 195286560. Its totient is φ = 106128000.

The previous prime is 146990191. The next prime is 146990201. The reversal of 146990195 is 591099641.

It is not a de Polignac number, because 146990195 - 2² = 146990191 is a prime.

It is a super-2 number, since 2×146990195² = 43212234852276050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (146990191) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 90551 + ... + 92159.

It is an arithmetic number, because the mean of its divisors is an integer number (8136940).

Almost surely, 2^146990195 is an apocalyptic number.

146990195 is a deficient number, since it is larger than the sum of its proper divisors (48296365).

146990195 is a wasteful number, since it uses less digits than its factorization.

146990195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1787 (or 1776 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 44.

The square root of 146990195 is about 12123.9512948543. The cubic root of 146990195 is about 527.7514744745.

The spelling of 146990195 in words is "one hundred forty-six million, nine hundred ninety thousand, one hundred ninety-five".