11542645 has 4 divisors (see below), whose sum is σ = 13851180. Its totient is φ = 9234112.

The previous prime is 11542639. The next prime is 11542651. The reversal of 11542645 is 54624511.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (11542639) and next prime (11542651).

It can be written as a sum of positive squares in 2 ways, for example, as 3663396 + 7879249 = 1914^2 + 2807^2 .

It is a cyclic number.

It is not a de Polignac number, because 11542645 - 2⁵ = 11542613 is a prime.

It is a congruent number.

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, 1154260 + ... + 1154269.

It is an arithmetic number, because the mean of its divisors is an integer number (3462795).

Almost surely, 2^11542645 is an apocalyptic number.

It is an amenable number.

11542645 is a deficient number, since it is larger than the sum of its proper divisors (2308535).

11542645 is an equidigital number, since it uses as much as digits as its factorization.

11542645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2308534.

The product of its digits is 4800, while the sum is 28.

The square root of 11542645 is about 3397.4468354928. The cubic root of 11542645 is about 225.9965345228.

It can be divided in two parts, 1 and 1542645, that added together give a triangular number (1542646 = T₁₇₅₆).

The spelling of 11542645 in words is "eleven million, five hundred forty-two thousand, six hundred forty-five".