2312154 has 48 divisors (see below), whose sum is σ = 5549544. Its totient is φ = 691200.

The previous prime is 2312147. The next prime is 2312159. The reversal of 2312154 is 4512132.

It can be written as a sum of positive squares in 4 ways, for example, as 1265625 + 1046529 = 1125^2 + 1023^2 .

It is a super-2 number, since 2×2312154² = 10692112239432, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2312159) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9474 + ... + 9714.

2^2312154 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2312154, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2774772).

2312154 is an abundant number, since it is smaller than the sum of its proper divisors (3237390).

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

2312154 is a wasteful number, since it uses less digits than its factorization.

2312154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303 (or 300 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 2312154 is about 1520.5768642196. The cubic root of 2312154 is about 132.2327162016.

Adding to 2312154 its reverse (4512132), we get a palindrome (6824286).

The spelling of 2312154 in words is "two million, three hundred twelve thousand, one hundred fifty-four".