145650243 has 8 divisors (see below), whose sum is σ = 194400256. Its totient is φ = 97000200.

The previous prime is 145650229. The next prime is 145650251. The reversal of 145650243 is 342056541.

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

It is not a de Polignac number, because 145650243 - 2¹² = 145646147 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145650243.

It is not an unprimeable number, because it can be changed into a prime (145650223) 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 7 ways as a sum of consecutive naturals, for example, 21523 + ... + 27468.

It is an arithmetic number, because the mean of its divisors is an integer number (24300032).

Almost surely, 2^145650243 is an apocalyptic number.

145650243 is a deficient number, since it is larger than the sum of its proper divisors (48750013).

145650243 is an equidigital number, since it uses as much as digits as its factorization.

145650243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49985.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 145650243 is about 12068.5642476643. The cubic root of 145650243 is about 526.1429286250.

The spelling of 145650243 in words is "one hundred forty-five million, six hundred fifty thousand, two hundred forty-three".