145201636 has 6 divisors (see below), whose sum is σ = 254102870. Its totient is φ = 72600816.

The previous prime is 145201633. The next prime is 145201643. The reversal of 145201636 is 636102541.

145201636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 143856036 + 1345600 = 11994^2 + 1160^2 .

It is not an unprimeable number, because it can be changed into a prime (145201633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18150201 + ... + 18150208.

Almost surely, 2^145201636 is an apocalyptic number.

It is an amenable number.

145201636 is a deficient number, since it is larger than the sum of its proper divisors (108901234).

145201636 is a wasteful number, since it uses less digits than its factorization.

145201636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36300413 (or 36300411 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 145201636 is about 12049.9641493243. The cubic root of 145201636 is about 525.6021945594.

The spelling of 145201636 in words is "one hundred forty-five million, two hundred one thousand, six hundred thirty-six".