2148745437 has 36 divisors (see below), whose sum is σ = 3234946260. Its totient is φ = 1374112512.

The previous prime is 2148745373. The next prime is 2148745441. The reversal of 2148745437 is 7345478412.

2148745437 is a `hidden beast` number, since 2 + 148 + 74 + 5 + 437 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 245517561 + 1903227876 = 15669^2 + 43626^2 .

It is not a de Polignac number, because 2148745437 - 2⁶ = 2148745373 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2148745392 and 2148745401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2148741437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 898239 + ... + 900627.

Almost surely, 2^2148745437 is an apocalyptic number.

It is an amenable number.

2148745437 is a deficient number, since it is larger than the sum of its proper divisors (1086200823).

2148745437 is a wasteful number, since it uses less digits than its factorization.

2148745437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2542 (or 2502 counting only the distinct ones).

The product of its digits is 752640, while the sum is 45.

The square root of 2148745437 is about 46354.5622026570. The cubic root of 2148745437 is about 1290.4117902949.

The spelling of 2148745437 in words is "two billion, one hundred forty-eight million, seven hundred forty-five thousand, four hundred thirty-seven".