1542538002 has 8 divisors (see below), whose sum is σ = 3085076016. Its totient is φ = 514179332.

The previous prime is 1542537989. The next prime is 1542538003. The reversal of 1542538002 is 2008352451.

It is a sphenic number, since it is the product of 3 distinct primes.

1542538002 is an admirable number.

It is a super-2 number, since 2×1542538002² = 4758846975228304008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1542538003) 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, 128544828 + ... + 128544839.

It is an arithmetic number, because the mean of its divisors is an integer number (385634502).

Almost surely, 2^1542538002 is an apocalyptic number.

1542538002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1542538002 is a wasteful number, since it uses less digits than its factorization.

1542538002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257089672.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 1542538002 is about 39275.1575681117. The cubic root of 1542538002 is about 1155.4343929292.

The spelling of 1542538002 in words is "one billion, five hundred forty-two million, five hundred thirty-eight thousand, two".