145706572051 has 4 divisors (see below), whose sum is σ = 145707912504. Its totient is φ = 145705231600.

The previous prime is 145706572043. The next prime is 145706572087. The reversal of 145706572051 is 150275607541.

145706572051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 150275607541 = 23 ⋅6533722067.

It is a cyclic number.

It is not a de Polignac number, because 145706572051 - 2³ = 145706572043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145706571989 and 145706572007.

It is not an unprimeable number, because it can be changed into a prime (145706572091) 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 3 ways as a sum of consecutive naturals, for example, 491245 + ... + 729886.

It is an arithmetic number, because the mean of its divisors is an integer number (36426978126).

Almost surely, 2^145706572051 is an apocalyptic number.

145706572051 is a deficient number, since it is larger than the sum of its proper divisors (1340453).

145706572051 is a wasteful number, since it uses less digits than its factorization.

145706572051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340452.

The product of its (nonzero) digits is 294000, while the sum is 43.

The spelling of 145706572051 in words is "one hundred forty-five billion, seven hundred six million, five hundred seventy-two thousand, fifty-one".