1055142064 has 40 divisors (see below), whose sum is σ = 2062725120. Its totient is φ = 522849600.

The previous prime is 1055142059. The next prime is 1055142139. The reversal of 1055142064 is 4602415501.

It is a super-2 number, since 2×1055142064² = 2226649550444360192, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1157769 + ... + 1158679.

It is an arithmetic number, because the mean of its divisors is an integer number (51568128).

Almost surely, 2^1055142064 is an apocalyptic number.

It is an amenable number.

1055142064 is a deficient number, since it is larger than the sum of its proper divisors (1007583056).

1055142064 is a wasteful number, since it uses less digits than its factorization.

1055142064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1489 (or 1483 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 1055142064 is about 32482.9503586112. The cubic root of 1055142064 is about 1018.0528224373.

Adding to 1055142064 its reverse (4602415501), we get a palindrome (5657557565).

The spelling of 1055142064 in words is "one billion, fifty-five million, one hundred forty-two thousand, sixty-four".