145539284 has 36 divisors (see below), whose sum is σ = 289634100. Its totient is φ = 63866880.

The previous prime is 145539271. The next prime is 145539311. The reversal of 145539284 is 482935541.

It can be written as a sum of positive squares in 2 ways, for example, as 36336784 + 109202500 = 6028^2 + 10450^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8852 + ... + 19220.

Almost surely, 2^145539284 is an apocalyptic number.

It is an amenable number.

145539284 is a deficient number, since it is larger than the sum of its proper divisors (144094816).

145539284 is a wasteful number, since it uses less digits than its factorization.

145539284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10424 (or 10411 counting only the distinct ones).

The product of its digits is 172800, while the sum is 41.

The square root of 145539284 is about 12063.9663461069. The cubic root of 145539284 is about 526.0092862698.

The spelling of 145539284 in words is "one hundred forty-five million, five hundred thirty-nine thousand, two hundred eighty-four".