145150293 has 16 divisors (see below), whose sum is σ = 197308800. Its totient is φ = 94889280.

The previous prime is 145150289. The next prime is 145150303. The reversal of 145150293 is 392051541.

It is not a de Polignac number, because 145150293 - 2² = 145150289 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145150293.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145150273) 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 15 ways as a sum of consecutive naturals, for example, 70168 + ... + 72206.

It is an arithmetic number, because the mean of its divisors is an integer number (12331800).

Almost surely, 2^145150293 is an apocalyptic number.

It is an amenable number.

145150293 is a deficient number, since it is larger than the sum of its proper divisors (52158507).

145150293 is a wasteful number, since it uses less digits than its factorization.

145150293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2492.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 145150293 is about 12047.8335396867. The cubic root of 145150293 is about 525.5402366376.

The spelling of 145150293 in words is "one hundred forty-five million, one hundred fifty thousand, two hundred ninety-three".