146540146 has 8 divisors (see below), whose sum is σ = 219985920. Its totient is φ = 73211508.

The previous prime is 146540143. The next prime is 146540167. The reversal of 146540146 is 641045641.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (146540143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26086 + ... + 31201.

It is an arithmetic number, because the mean of its divisors is an integer number (27498240).

Almost surely, 2^146540146 is an apocalyptic number.

146540146 is a deficient number, since it is larger than the sum of its proper divisors (73445774).

146540146 is a wasteful number, since it uses less digits than its factorization.

146540146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58568.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 146540146 is about 12105.3767392841. The cubic root of 146540146 is about 527.2123073545.

Adding to 146540146 its reverse (641045641), we get a palindrome (787585787).

The spelling of 146540146 in words is "one hundred forty-six million, five hundred forty thousand, one hundred forty-six".