1542256 has 20 divisors (see below), whose sum is σ = 3062304. Its totient is φ = 752000.

The previous prime is 1542251. The next prime is 1542259. The reversal of 1542256 is 6522451.

Its product of digits (2400) is a multiple of the sum of its prime factors (2400).

It is a self number, because there is not a number n which added to its sum of digits gives 1542256.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1542251) 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, 520 + ... + 1831.

2^1542256 is an apocalyptic number.

1542256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1542256 is a deficient number, since it is larger than the sum of its proper divisors (1520048).

1542256 is a wasteful number, since it uses less digits than its factorization.

1542256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2400 (or 2394 counting only the distinct ones).

The product of its digits is 2400, while the sum is 25.

The square root of 1542256 is about 1241.8760002512. The cubic root of 1542256 is about 115.5363977664.

The spelling of 1542256 in words is "one million, five hundred forty-two thousand, two hundred fifty-six".