145541204 has 6 divisors (see below), whose sum is σ = 254697114. Its totient is φ = 72770600.

The previous prime is 145541183. The next prime is 145541261. The reversal of 145541204 is 402145541.

It can be written as a sum of positive squares in only one way, i.e., 116596804 + 28944400 = 10798^2 + 5380^2 .

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 as a sum of consecutive naturals, namely, 18192647 + ... + 18192654.

It is an arithmetic number, because the mean of its divisors is an integer number (42449519).

Almost surely, 2^145541204 is an apocalyptic number.

It is an amenable number.

145541204 is a deficient number, since it is larger than the sum of its proper divisors (109155910).

145541204 is a wasteful number, since it uses less digits than its factorization.

145541204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36385305 (or 36385303 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 145541204 is about 12064.0459216633. The cubic root of 145541204 is about 526.0115993529.

Adding to 145541204 its reverse (402145541), we get a palindrome (547686745).

The spelling of 145541204 in words is "one hundred forty-five million, five hundred forty-one thousand, two hundred four".