1538545212 has 24 divisors (see below), whose sum is σ = 3988821200. Its totient is φ = 512848368.

The previous prime is 1538545201. The next prime is 1538545291. The reversal of 1538545212 is 2125458351.

1538545212 is a `hidden beast` number, since 1 + 53 + 85 + 4 + 521 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7122787 + ... + 7123002.

Almost surely, 2^1538545212 is an apocalyptic number.

1538545212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1538545212 is an abundant number, since it is smaller than the sum of its proper divisors (2450275988).

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

1538545212 is a wasteful number, since it uses less digits than its factorization.

1538545212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14245802 (or 14245794 counting only the distinct ones).

The product of its digits is 48000, while the sum is 36.

The square root of 1538545212 is about 39224.2936456477. The cubic root of 1538545212 is about 1154.4366015945.

The spelling of 1538545212 in words is "one billion, five hundred thirty-eight million, five hundred forty-five thousand, two hundred twelve".