145204255 has 16 divisors (see below), whose sum is σ = 199332864. Its totient is φ = 99470880.

The previous prime is 145204237. The next prime is 145204261. The reversal of 145204255 is 552402541.

145204255 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145204255 - 2¹¹ = 145202207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69354 + ... + 71416.

It is an arithmetic number, because the mean of its divisors is an integer number (12458304).

Almost surely, 2^145204255 is an apocalyptic number.

145204255 is a deficient number, since it is larger than the sum of its proper divisors (54128609).

145204255 is a wasteful number, since it uses less digits than its factorization.

145204255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4086.

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 145204255 is about 12050.0728213567. The cubic root of 145204255 is about 525.6053546337.

Adding to 145204255 its reverse (552402541), we get a palindrome (697606796).

The spelling of 145204255 in words is "one hundred forty-five million, two hundred four thousand, two hundred fifty-five".