103542215 has 16 divisors (see below), whose sum is σ = 142731072. Its totient is φ = 70635264.

The previous prime is 103542181. The next prime is 103542217. The reversal of 103542215 is 512245301.

It is a de Polignac number, because none of the positive numbers 2^k-103542215 is a prime.

It is a super-3 number, since 3×103542215³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103542217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 614 + ... + 14403.

It is an arithmetic number, because the mean of its divisors is an integer number (8920692).

Almost surely, 2^103542215 is an apocalyptic number.

103542215 is a deficient number, since it is larger than the sum of its proper divisors (39188857).

103542215 is a wasteful number, since it uses less digits than its factorization.

103542215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15226.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 103542215 is about 10175.5695172310. The cubic root of 103542215 is about 469.5759189606.

Adding to 103542215 its reverse (512245301), we get a palindrome (615787516).

The spelling of 103542215 in words is "one hundred three million, five hundred forty-two thousand, two hundred fifteen".