146404642 has 8 divisors (see below), whose sum is σ = 219963600. Its totient is φ = 73083444.

The previous prime is 146404619. The next prime is 146404649. The reversal of 146404642 is 246404641.

146404642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (146404649) 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, 57892 + ... + 60367.

It is an arithmetic number, because the mean of its divisors is an integer number (27495450).

Almost surely, 2^146404642 is an apocalyptic number.

146404642 is a deficient number, since it is larger than the sum of its proper divisors (73558958).

146404642 is a wasteful number, since it uses less digits than its factorization.

146404642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118880.

The product of its (nonzero) digits is 18432, while the sum is 31.

The square root of 146404642 is about 12099.7785930157. The cubic root of 146404642 is about 527.0497548402.

Subtracting 146404642 from its reverse (246404641), we obtain a palindrome (99999999).

The spelling of 146404642 in words is "one hundred forty-six million, four hundred four thousand, six hundred forty-two".