145065242 has 32 divisors (see below), whose sum is σ = 253919232. Its totient is φ = 60876144.

The previous prime is 145065241. The next prime is 145065253. The reversal of 145065242 is 242560541.

It is not an unprimeable number, because it can be changed into a prime (145065241) 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 15 ways as a sum of consecutive naturals, for example, 147083 + ... + 148065.

It is an arithmetic number, because the mean of its divisors is an integer number (7934976).

Almost surely, 2^145065242 is an apocalyptic number.

145065242 is a deficient number, since it is larger than the sum of its proper divisors (108853990).

145065242 is a wasteful number, since it uses less digits than its factorization.

145065242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 145065242 is about 12044.3033007310. The cubic root of 145065242 is about 525.4375695909.

The spelling of 145065242 in words is "one hundred forty-five million, sixty-five thousand, two hundred forty-two".