1542242064 has 160 divisors (see below), whose sum is σ = 4565422080. Its totient is φ = 444326400.

The previous prime is 1542242063. The next prime is 1542242081. The reversal of 1542242064 is 4602422451.

It is not an unprimeable number, because it can be changed into a prime (1542242063) 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, 964914 + ... + 966510.

It is an arithmetic number, because the mean of its divisors is an integer number (28533888).

Almost surely, 2^1542242064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1542242064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2282711040).

1542242064 is an abundant number, since it is smaller than the sum of its proper divisors (3023180016).

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

1542242064 is a wasteful number, since it uses less digits than its factorization.

1542242064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1709 (or 1703 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 1542242064 is about 39271.3898913700. The cubic root of 1542242064 is about 1155.3604976535.

The spelling of 1542242064 in words is "one billion, five hundred forty-two million, two hundred forty-two thousand, sixty-four".