145155284 has 12 divisors (see below), whose sum is σ = 254145108. Its totient is φ = 72542400.

The previous prime is 145155271. The next prime is 145155301. The reversal of 145155284 is 482551541.

It can be written as a sum of positive squares in 2 ways, for example, as 41319184 + 103836100 = 6428^2 + 10190^2 .

It is a congruent number.

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, 1904 + ... + 17144.

It is an arithmetic number, because the mean of its divisors is an integer number (21178759).

Almost surely, 2^145155284 is an apocalyptic number.

It is an amenable number.

145155284 is a deficient number, since it is larger than the sum of its proper divisors (108989824).

145155284 is a wasteful number, since it uses less digits than its factorization.

145155284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17626 (or 17624 counting only the distinct ones).

The product of its digits is 32000, while the sum is 35.

The square root of 145155284 is about 12048.0406705821. The cubic root of 145155284 is about 525.5462601442.

The spelling of 145155284 in words is "one hundred forty-five million, one hundred fifty-five thousand, two hundred eighty-four".