2154544 has 20 divisors (see below), whose sum is σ = 4771024. Its totient is φ = 923328.

The previous prime is 2154541. The next prime is 2154553. The reversal of 2154544 is 4454512.

It is a happy number.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2154541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9507 + ... + 9730.

2^2154544 is an apocalyptic number.

It is an amenable number.

2154544 is an abundant number, since it is smaller than the sum of its proper divisors (2616480).

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

2154544 is a wasteful number, since it uses less digits than its factorization.

2154544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19252 (or 19246 counting only the distinct ones).

The product of its digits is 3200, while the sum is 25.

The square root of 2154544 is about 1467.8365031569. The cubic root of 2154544 is about 129.1571507847.

Subtracting 2154544 from its reverse (4454512), we obtain a cube (2299968 = 132³).

The spelling of 2154544 in words is "two million, one hundred fifty-four thousand, five hundred forty-four".