921142848 has 56 divisors (see below), whose sum is σ = 2489069952. Its totient is φ = 300511744.

The previous prime is 921142843. The next prime is 921142907. The reversal of 921142848 is 848241129.

It is a super-2 number, since 2×921142848² = 1697008292843102208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (921142843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42015 + ... + 60062.

Almost surely, 2^921142848 is an apocalyptic number.

It is an amenable number.

921142848 is an abundant number, since it is smaller than the sum of its proper divisors (1567927104).

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

921142848 is a wasteful number, since it uses less digits than its factorization.

921142848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102139 (or 102129 counting only the distinct ones).

The product of its digits is 36864, while the sum is 39.

The square root of 921142848 is about 30350.3352205540. The cubic root of 921142848 is about 972.9913846459.

The spelling of 921142848 in words is "nine hundred twenty-one million, one hundred forty-two thousand, eight hundred forty-eight".