145158275138 has 8 divisors (see below), whose sum is σ = 217739152188. Its totient is φ = 72578557744.

The previous prime is 145158275117. The next prime is 145158275147. The reversal of 145158275138 is 831572851541.

It can be written as a sum of positive squares in 2 ways, for example, as 137349548449 + 7808726689 = 370607^2 + 88367^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167120 + ... + 564132.

Almost surely, 2^145158275138 is an apocalyptic number.

145158275138 is a deficient number, since it is larger than the sum of its proper divisors (72580877050).

145158275138 is a wasteful number, since it uses less digits than its factorization.

145158275138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579828.

The product of its digits is 1344000, while the sum is 50.

The spelling of 145158275138 in words is "one hundred forty-five billion, one hundred fifty-eight million, two hundred seventy-five thousand, one hundred thirty-eight".