145064442 has 8 divisors (see below), whose sum is σ = 290128896. Its totient is φ = 48354812.

The previous prime is 145064377. The next prime is 145064443. The reversal of 145064442 is 244460541.

It is a happy number.

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

145064442 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (145064443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12088698 + ... + 12088709.

It is an arithmetic number, because the mean of its divisors is an integer number (36266112).

Almost surely, 2^145064442 is an apocalyptic number.

145064442 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.

145064442 is a wasteful number, since it uses less digits than its factorization.

145064442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24177412.

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 145064442 is about 12044.2700899639. The cubic root of 145064442 is about 525.4366037017.

The spelling of 145064442 in words is "one hundred forty-five million, sixty-four thousand, four hundred forty-two".