11752145 has 4 divisors (see below), whose sum is σ = 14102580. Its totient is φ = 9401712.

The previous prime is 11752109. The next prime is 11752157. The reversal of 11752145 is 54125711.

11752145 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54125711 = 83 ⋅652117.

It can be written as a sum of positive squares in 2 ways, for example, as 4129024 + 7623121 = 2032^2 + 2761^2 .

It is a cyclic number.

It is not a de Polignac number, because 11752145 - 2⁸ = 11751889 is a prime.

It is a super-2 number, since 2×11752145² = 276225824202050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1175210 + ... + 1175219.

It is an arithmetic number, because the mean of its divisors is an integer number (3525645).

Almost surely, 2^11752145 is an apocalyptic number.

It is an amenable number.

11752145 is a deficient number, since it is larger than the sum of its proper divisors (2350435).

11752145 is an equidigital number, since it uses as much as digits as its factorization.

11752145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2350434.

The product of its digits is 1400, while the sum is 26.

The square root of 11752145 is about 3428.1401663293. The cubic root of 11752145 is about 227.3556303373.

Adding to 11752145 its reverse (54125711), we get a palindrome (65877856).

The spelling of 11752145 in words is "eleven million, seven hundred fifty-two thousand, one hundred forty-five".