1565148 has 48 divisors (see below), whose sum is σ = 4014080. Its totient is φ = 471744.

The previous prime is 1565141. The next prime is 1565149. The reversal of 1565148 is 8415651.

1565148 is a modest number, since divided by 5148 gives 156 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1565141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12261 + ... + 12387.

2^1565148 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1565148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2007040).

1565148 is an abundant number, since it is smaller than the sum of its proper divisors (2448932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1565148 is a wasteful number, since it uses less digits than its factorization.

1565148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226 (or 224 counting only the distinct ones).

The product of its digits is 4800, while the sum is 30.

The square root of 1565148 is about 1251.0587516180. The cubic root of 1565148 is about 116.1052354565.

The spelling of 1565148 in words is "one million, five hundred sixty-five thousand, one hundred forty-eight".