145000242 has 24 divisors (see below), whose sum is σ = 332648316. Its totient is φ = 45490176.

The previous prime is 145000223. The next prime is 145000243. The reversal of 145000242 is 242000541.

145000242 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 141348321 + 3651921 = 11889^2 + 1911^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (145000243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 236623 + ... + 237234.

Almost surely, 2^145000242 is an apocalyptic number.

145000242 is an abundant number, since it is smaller than the sum of its proper divisors (187648074).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145000242 is a wasteful number, since it uses less digits than its factorization.

145000242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473882 (or 473879 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 145000242 is about 12041.6046272912. The cubic root of 145000242 is about 525.3590795177.

Adding to 145000242 its reverse (242000541), we get a palindrome (387000783).

The spelling of 145000242 in words is "one hundred forty-five million, two hundred forty-two", and thus it is an aban number.