101115245 has 64 divisors (see below), whose sum is σ = 166440960. Its totient is φ = 57024000.

The previous prime is 101115239. The next prime is 101115253. The reversal of 101115245 is 542511101.

It is not a de Polignac number, because 101115245 - 2⁴ = 101115229 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 167945 + ... + 168545.

It is an arithmetic number, because the mean of its divisors is an integer number (2600640).

Almost surely, 2^101115245 is an apocalyptic number.

It is an amenable number.

101115245 is a deficient number, since it is larger than the sum of its proper divisors (65325715).

101115245 is a wasteful number, since it uses less digits than its factorization.

101115245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666.

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 101115245 is about 10055.6076395213. The cubic root of 101115245 is about 465.8780111959.

Adding to 101115245 its reverse (542511101), we get a palindrome (643626346).

The spelling of 101115245 in words is "one hundred one million, one hundred fifteen thousand, two hundred forty-five".