146091918 has 32 divisors (see below), whose sum is σ = 334414080. Its totient is φ = 41679360.

The previous prime is 146091917. The next prime is 146091923. The reversal of 146091918 is 819190641.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146091917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31918 + ... + 36206.

It is an arithmetic number, because the mean of its divisors is an integer number (10450440).

Almost surely, 2^146091918 is an apocalyptic number.

146091918 is an abundant number, since it is smaller than the sum of its proper divisors (188322162).

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

146091918 is a wasteful number, since it uses less digits than its factorization.

146091918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5112.

The product of its (nonzero) digits is 15552, while the sum is 39.

The square root of 146091918 is about 12086.8489690241. The cubic root of 146091918 is about 526.6742234847.

The spelling of 146091918 in words is "one hundred forty-six million, ninety-one thousand, nine hundred eighteen".