2145150723 has 8 divisors (see below), whose sum is σ = 2861595648. Its totient is φ = 1429403144.

The previous prime is 2145150719. The next prime is 2145150727. The reversal of 2145150723 is 3270515412.

It is an interprime number because it is at equal distance from previous prime (2145150719) and next prime (2145150727).

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 2145150723 - 2² = 2145150719 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2145150727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167115 + ... + 179492.

It is an arithmetic number, because the mean of its divisors is an integer number (357699456).

Almost surely, 2^2145150723 is an apocalyptic number.

2145150723 is a deficient number, since it is larger than the sum of its proper divisors (716444925).

2145150723 is a wasteful number, since it uses less digits than its factorization.

2145150723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348673.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 2145150723 is about 46315.7718601342. The cubic root of 2145150723 is about 1289.6917964506.

The spelling of 2145150723 in words is "two billion, one hundred forty-five million, one hundred fifty thousand, seven hundred twenty-three".