1542643060 has 96 divisors (see below), whose sum is σ = 3988131840. Its totient is φ = 489379968.

The previous prime is 1542643021. The next prime is 1542643061. The reversal of 1542643060 is 603462451.

It is a super-2 number, since 2×1542643060² = 4759495221132327200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1542643061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 107637 + ... + 121123.

It is an arithmetic number, because the mean of its divisors is an integer number (41543040).

Almost surely, 2^1542643060 is an apocalyptic number.

1542643060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1542643060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1994065920).

1542643060 is an abundant number, since it is smaller than the sum of its proper divisors (2445488780).

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

1542643060 is a wasteful number, since it uses less digits than its factorization.

1542643060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13565 (or 13563 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 1542643060 is about 39276.4950065558. The cubic root of 1542643060 is about 1155.4606234814.

The spelling of 1542643060 in words is "one billion, five hundred forty-two million, six hundred forty-three thousand, sixty".