145023255 has 48 divisors (see below), whose sum is σ = 272606880. Its totient is φ = 70896384.

The previous prime is 145023253. The next prime is 145023259. The reversal of 145023255 is 552320541.

It is a happy number.

It is not a de Polignac number, because 145023255 - 2¹ = 145023253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145023253) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 91056 + ... + 92634.

It is an arithmetic number, because the mean of its divisors is an integer number (5679310).

Almost surely, 2^145023255 is an apocalyptic number.

145023255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145023255 is a deficient number, since it is larger than the sum of its proper divisors (127583625).

145023255 is a wasteful number, since it uses less digits than its factorization.

145023255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1760 (or 1757 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 145023255 is about 12042.5601513964. The cubic root of 145023255 is about 525.3868713080.

Adding to 145023255 its reverse (552320541), we get a palindrome (697343796).

The spelling of 145023255 in words is "one hundred forty-five million, twenty-three thousand, two hundred fifty-five".