105303157 has 4 divisors (see below), whose sum is σ = 106745740. Its totient is φ = 103860576.

The previous prime is 105303139. The next prime is 105303167. The reversal of 105303157 is 751303501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 751303501 = 13 ⋅57792577.

It can be written as a sum of positive squares in 2 ways, for example, as 24860196 + 80442961 = 4986^2 + 8969^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105303157 is a prime.

It is a super-2 number, since 2×105303157² = 22177509748333298, which contains 22 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 (105303127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 721182 + ... + 721327.

It is an arithmetic number, because the mean of its divisors is an integer number (26686435).

Almost surely, 2^105303157 is an apocalyptic number.

It is an amenable number.

105303157 is a deficient number, since it is larger than the sum of its proper divisors (1442583).

105303157 is an equidigital number, since it uses as much as digits as its factorization.

105303157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1442582.

The product of its (nonzero) digits is 1575, while the sum is 25.

The square root of 105303157 is about 10261.7326509708. The cubic root of 105303157 is about 472.2229941354. Note that the first 3 decimals are identical.

Adding to 105303157 its reverse (751303501), we get a palindrome (856606658).

The spelling of 105303157 in words is "one hundred five million, three hundred three thousand, one hundred fifty-seven".