146505642 has 8 divisors (see below), whose sum is σ = 293011296. Its totient is φ = 48835212.

The previous prime is 146505641. The next prime is 146505647. The reversal of 146505642 is 246505641.

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

146505642 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (146505641) 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, 12208798 + ... + 12208809.

It is an arithmetic number, because the mean of its divisors is an integer number (36626412).

Almost surely, 2^146505642 is an apocalyptic number.

146505642 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.

146505642 is a wasteful number, since it uses less digits than its factorization.

146505642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24417612.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 146505642 is about 12103.9515035380. The cubic root of 146505642 is about 527.1709253809.

Subtracting 146505642 from its reverse (246505641), we obtain a palindrome (99999999).

The spelling of 146505642 in words is "one hundred forty-six million, five hundred five thousand, six hundred forty-two".