101023245 has 24 divisors (see below), whose sum is σ = 182722176. Its totient is φ = 51535968.

The previous prime is 101023207. The next prime is 101023249. The reversal of 101023245 is 542320101.

It is not a de Polignac number, because 101023245 - 2²³ = 92634637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101023249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47769 + ... + 49838.

It is an arithmetic number, because the mean of its divisors is an integer number (7613424).

Almost surely, 2^101023245 is an apocalyptic number.

101023245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

101023245 is a deficient number, since it is larger than the sum of its proper divisors (81698931).

101023245 is a wasteful number, since it uses less digits than its factorization.

101023245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97641 (or 97638 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 101023245 is about 10051.0320365622. The cubic root of 101023245 is about 465.7366748340.

Adding to 101023245 its reverse (542320101), we get a palindrome (643343346).

The spelling of 101023245 in words is "one hundred one million, twenty-three thousand, two hundred forty-five".