2148155092 has 6 divisors (see below), whose sum is σ = 3759271418. Its totient is φ = 1074077544.

The previous prime is 2148155083. The next prime is 2148155099. The reversal of 2148155092 is 2905518412.

It can be written as a sum of positive squares in only one way, i.e., 1783879696 + 364275396 = 42236^2 + 19086^2 .

It is a super-2 number, since 2×2148155092² = 9229140598571056928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2148155099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268519383 + ... + 268519390.

Almost surely, 2^2148155092 is an apocalyptic number.

It is an amenable number.

2148155092 is a deficient number, since it is larger than the sum of its proper divisors (1611116326).

2148155092 is a wasteful number, since it uses less digits than its factorization.

2148155092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537038777 (or 537038775 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 37.

The square root of 2148155092 is about 46348.1940532746. The cubic root of 2148155092 is about 1290.2936038235.

The spelling of 2148155092 in words is "two billion, one hundred forty-eight million, one hundred fifty-five thousand, ninety-two".