145838042 has 16 divisors (see below), whose sum is σ = 258629760. Its totient is φ = 60346608.

The previous prime is 145838023. The next prime is 145838051. The reversal of 145838042 is 240838541.

It is a junction number, because it is equal to n+sod(n) for n = 145837993 and 145838011.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179198 + ... + 180009.

It is an arithmetic number, because the mean of its divisors is an integer number (16164360).

Almost surely, 2^145838042 is an apocalyptic number.

145838042 is a deficient number, since it is larger than the sum of its proper divisors (112791718).

145838042 is a wasteful number, since it uses less digits than its factorization.

145838042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359245.

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 145838042 is about 12076.3422442394. The cubic root of 145838042 is about 526.3689648165.

The spelling of 145838042 in words is "one hundred forty-five million, eight hundred thirty-eight thousand, forty-two".