2148958745 has 8 divisors (see below), whose sum is σ = 2599056384. Its totient is φ = 1705629744.

The previous prime is 2148958741. The next prime is 2148958751. The reversal of 2148958745 is 5478598412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2148958745 - 2² = 2148958741 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2148958741) 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, 1691459 + ... + 1692728.

It is an arithmetic number, because the mean of its divisors is an integer number (324882048).

Almost surely, 2^2148958745 is an apocalyptic number.

It is an amenable number.

2148958745 is a deficient number, since it is larger than the sum of its proper divisors (450097639).

2148958745 is a wasteful number, since it uses less digits than its factorization.

2148958745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3384319.

The product of its digits is 3225600, while the sum is 53.

The square root of 2148958745 is about 46356.8629762627. The cubic root of 2148958745 is about 1290.4544890167.

The spelling of 2148958745 in words is "two billion, one hundred forty-eight million, nine hundred fifty-eight thousand, seven hundred forty-five".