2145230151 has 8 divisors (see below), whose sum is σ = 2870487024. Its totient is φ = 1425063360.

The previous prime is 2145230111. The next prime is 2145230159. The reversal of 2145230151 is 1510325412.

It is a happy number.

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

It is not a de Polignac number, because 2145230151 - 2²⁵ = 2111675719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145230159) 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, 1271536 + ... + 1273221.

It is an arithmetic number, because the mean of its divisors is an integer number (358810878).

Almost surely, 2^2145230151 is an apocalyptic number.

2145230151 is a deficient number, since it is larger than the sum of its proper divisors (725256873).

2145230151 is a wasteful number, since it uses less digits than its factorization.

2145230151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2545041.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 2145230151 is about 46316.6293138868. The cubic root of 2145230151 is about 1289.7077139608.

Adding to 2145230151 its reverse (1510325412), we get a palindrome (3655555563).

The spelling of 2145230151 in words is "two billion, one hundred forty-five million, two hundred thirty thousand, one hundred fifty-one".