145244853 has 48 divisors (see below), whose sum is σ = 235704000. Its totient is φ = 88350912.

The previous prime is 145244851. The next prime is 145244861. The reversal of 145244853 is 358442541.

It is a happy number.

It is not a de Polignac number, because 145244853 - 2¹ = 145244851 is a prime.

Its product of digits (76800) is a multiple of the sum of its prime divisors (384).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145244851) by changing a digit.

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 in 47 ways as a sum of consecutive naturals, for example, 634143 + ... + 634371.

It is an arithmetic number, because the mean of its divisors is an integer number (4910500).

Almost surely, 2^145244853 is an apocalyptic number.

145244853 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

145244853 is a deficient number, since it is larger than the sum of its proper divisors (90459147).

145244853 is a wasteful number, since it uses less digits than its factorization.

145244853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403 (or 384 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

The square root of 145244853 is about 12051.7572577612. The cubic root of 145244853 is about 525.6543351492.

The spelling of 145244853 in words is "one hundred forty-five million, two hundred forty-four thousand, eight hundred fifty-three".