106787545 has 4 divisors (see below), whose sum is σ = 128145060. Its totient is φ = 85430032.

The previous prime is 106787531. The next prime is 106787561. The reversal of 106787545 is 545787601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 545787601 = 17 ⋅32105153.

It can be written as a sum of positive squares in 2 ways, for example, as 58568409 + 48219136 = 7653^2 + 6944^2 .

It is a cyclic number.

It is not a de Polignac number, because 106787545 - 2¹³ = 106779353 is a prime.

It is a super-2 number, since 2×106787545² = 22807159534254050, 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, 10678750 + ... + 10678759.

It is an arithmetic number, because the mean of its divisors is an integer number (32036265).

Almost surely, 2^106787545 is an apocalyptic number.

It is an amenable number.

106787545 is a deficient number, since it is larger than the sum of its proper divisors (21357515).

106787545 is an equidigital number, since it uses as much as digits as its factorization.

106787545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21357514.

The product of its (nonzero) digits is 235200, while the sum is 43.

The square root of 106787545 is about 10333.8059300531. The cubic root of 106787545 is about 474.4315193590.

The spelling of 106787545 in words is "one hundred six million, seven hundred eighty-seven thousand, five hundred forty-five".