146161490 has 32 divisors (see below), whose sum is σ = 281499840. Its totient is φ = 54475200.

The previous prime is 146161489. The next prime is 146161501. The reversal of 146161490 is 94161641.

It is a happy number.

146161490 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5285 + ... + 17895.

It is an arithmetic number, because the mean of its divisors is an integer number (8796870).

Almost surely, 2^146161490 is an apocalyptic number.

146161490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

146161490 is a deficient number, since it is larger than the sum of its proper divisors (135338350).

146161490 is a wasteful number, since it uses less digits than its factorization.

146161490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12698.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 146161490 is about 12089.7266304909. The cubic root of 146161490 is about 526.7578146114.

The spelling of 146161490 in words is "one hundred forty-six million, one hundred sixty-one thousand, four hundred ninety".