145656242 has 8 divisors (see below), whose sum is σ = 229983600. Its totient is φ = 68995044.

The previous prime is 145656239. The next prime is 145656253. The reversal of 145656242 is 242656541.

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

It is an unprimeable number.

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, 1916492 + ... + 1916567.

It is an arithmetic number, because the mean of its divisors is an integer number (28747950).

Almost surely, 2^145656242 is an apocalyptic number.

145656242 is a deficient number, since it is larger than the sum of its proper divisors (84327358).

145656242 is a wasteful number, since it uses less digits than its factorization.

145656242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3833080.

The product of its digits is 57600, while the sum is 35.

The square root of 145656242 is about 12068.8127833685. The cubic root of 145656242 is about 526.1501520667.

The spelling of 145656242 in words is "one hundred forty-five million, six hundred fifty-six thousand, two hundred forty-two".