1545456 has 40 divisors (see below), whose sum is σ = 4356864. Its totient is φ = 468160.

The previous prime is 1545449. The next prime is 1545461. The reversal of 1545456 is 6545451.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 936 + ... + 1991.

2^1545456 is an apocalyptic number.

1545456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1545456 is an abundant number, since it is smaller than the sum of its proper divisors (2811408).

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

1545456 is a wasteful number, since it uses less digits than its factorization.

1545456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2949 (or 2943 counting only the distinct ones).

The product of its digits is 12000, while the sum is 30.

The square root of 1545456 is about 1243.1637060339. The cubic root of 1545456 is about 115.6162507137.

The spelling of 1545456 in words is "one million, five hundred forty-five thousand, four hundred fifty-six".