146420044 has 12 divisors (see below), whose sum is σ = 257061168. Its totient is φ = 72974000.

The previous prime is 146419967. The next prime is 146420077. The reversal of 146420044 is 440024641.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57607 + ... + 60094.

It is an arithmetic number, because the mean of its divisors is an integer number (21421764).

Almost surely, 2^146420044 is an apocalyptic number.

It is an amenable number.

146420044 is a deficient number, since it is larger than the sum of its proper divisors (110641124).

146420044 is a wasteful number, since it uses less digits than its factorization.

146420044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118016 (or 118014 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 146420044 is about 12100.4150342044. The cubic root of 146420044 is about 527.0682363482.

Adding to 146420044 its reverse (440024641), we get a palindrome (586444685).

The spelling of 146420044 in words is "one hundred forty-six million, four hundred twenty thousand, forty-four".