1542255216 has 40 divisors (see below), whose sum is σ = 3992859024. Its totient is φ = 512962560.

The previous prime is 1542255203. The next prime is 1542255233. The reversal of 1542255216 is 6125522451.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12721 + ... + 56976.

Almost surely, 2^1542255216 is an apocalyptic number.

1542255216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1542255216 is an abundant number, since it is smaller than the sum of its proper divisors (2450603808).

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

1542255216 is a wasteful number, since it uses less digits than its factorization.

1542255216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70169 (or 70163 counting only the distinct ones).

The product of its digits is 24000, while the sum is 33.

The square root of 1542255216 is about 39271.5573411598. The cubic root of 1542255216 is about 1155.3637818890.

Adding to 1542255216 its reverse (6125522451), we get a palindrome (7667777667).

The spelling of 1542255216 in words is "one billion, five hundred forty-two million, two hundred fifty-five thousand, two hundred sixteen".