2148765 has 16 divisors (see below), whose sum is σ = 3549696. Its totient is φ = 1108800.

The previous prime is 2148761. The next prime is 2148781. The reversal of 2148765 is 5678412.

It is not a de Polignac number, because 2148765 - 2² = 2148761 is a prime.

It is a d-powerful number, because it can be written as 2²¹ + 1 + 4⁶ + 8³ + 7³ + 6⁶ + 5 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2148761) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1846 + ... + 2775.

It is an arithmetic number, because the mean of its divisors is an integer number (221856).

2^2148765 is an apocalyptic number.

It is an amenable number.

2148765 is a deficient number, since it is larger than the sum of its proper divisors (1400931).

2148765 is a wasteful number, since it uses less digits than its factorization.

2148765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4660.

The product of its digits is 13440, while the sum is 33.

The square root of 2148765 is about 1465.8666378631. The cubic root of 2148765 is about 129.0415706417.

The spelling of 2148765 in words is "two million, one hundred forty-eight thousand, seven hundred sixty-five".