1542864132 has 48 divisors (see below), whose sum is σ = 4075505280. Its totient is φ = 504582624.

The previous prime is 1542864131. The next prime is 1542864139. The reversal of 1542864132 is 2314682451.

It is a happy number.

1542864132 is a `hidden beast` number, since 1 + 5 + 4 + 2 + 8 + 641 + 3 + 2 = 666.

It is a super-2 number, since 2×1542864132² = 4760859459624226848, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (1542864131) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 129048 + ... + 140495.

It is an arithmetic number, because the mean of its divisors is an integer number (84906360).

Almost surely, 2^1542864132 is an apocalyptic number.

1542864132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1542864132 is an abundant number, since it is smaller than the sum of its proper divisors (2532641148).

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

1542864132 is a wasteful number, since it uses less digits than its factorization.

1542864132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269609 (or 269601 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 1542864132 is about 39279.3092098117. The cubic root of 1542864132 is about 1155.5158161561.

The spelling of 1542864132 in words is "one billion, five hundred forty-two million, eight hundred sixty-four thousand, one hundred thirty-two".