2151548148 has 24 divisors (see below), whose sum is σ = 5059812352. Its totient is φ = 711535104.

The previous prime is 2151548117. The next prime is 2151548159. The reversal of 2151548148 is 8418451512.

It is a congruent number.

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, 704365 + ... + 707412.

Almost surely, 2^2151548148 is an apocalyptic number.

It is an amenable number.

2151548148 is an abundant number, since it is smaller than the sum of its proper divisors (2908264204).

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

2151548148 is a wasteful number, since it uses less digits than its factorization.

2151548148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1411911 (or 1411909 counting only the distinct ones).

The product of its digits is 51200, while the sum is 39.

The square root of 2151548148 is about 46384.7835825500. The cubic root of 2151548148 is about 1290.9725950539.

The spelling of 2151548148 in words is "two billion, one hundred fifty-one million, five hundred forty-eight thousand, one hundred forty-eight".