20145452151 has 16 divisors (see below), whose sum is σ = 29340420480. Its totient is φ = 12193554720.

The previous prime is 20145452143. The next prime is 20145452177. The reversal of 20145452151 is 15125454102.

It is not a de Polignac number, because 20145452151 - 2³ = 20145452143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20145452101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 369361 + ... + 420378.

It is an arithmetic number, because the mean of its divisors is an integer number (1833776280).

Almost surely, 2^20145452151 is an apocalyptic number.

20145452151 is a deficient number, since it is larger than the sum of its proper divisors (9194968329).

20145452151 is a wasteful number, since it uses less digits than its factorization.

20145452151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790526.

The product of its (nonzero) digits is 8000, while the sum is 30.

The spelling of 20145452151 in words is "twenty billion, one hundred forty-five million, four hundred fifty-two thousand, one hundred fifty-one".