145543652 has 6 divisors (see below), whose sum is σ = 254701398. Its totient is φ = 72771824.

The previous prime is 145543649. The next prime is 145543733. The reversal of 145543652 is 256345541.

It can be written as a sum of positive squares in only one way, i.e., 108284836 + 37258816 = 10406^2 + 6104^2 .

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 as a sum of consecutive naturals, namely, 18192953 + ... + 18192960.

It is an arithmetic number, because the mean of its divisors is an integer number (42450233).

Almost surely, 2^145543652 is an apocalyptic number.

It is an amenable number.

145543652 is a deficient number, since it is larger than the sum of its proper divisors (109157746).

145543652 is a wasteful number, since it uses less digits than its factorization.

145543652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36385917 (or 36385915 counting only the distinct ones).

The product of its digits is 72000, while the sum is 35.

The square root of 145543652 is about 12064.1473797364. The cubic root of 145543652 is about 526.0145485044.

The spelling of 145543652 in words is "one hundred forty-five million, five hundred forty-three thousand, six hundred fifty-two".