145676150072549 has 4 divisors (see below), whose sum is σ = 145776408952236. Its totient is φ = 145575891192864.

The previous prime is 145676150072483. The next prime is 145676150072603. The reversal of 145676150072549 is 945270051676541.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 68695618511524 + 76980531561025 = 8288282^2 + 8773855^2 .

It is a cyclic number.

It is not a de Polignac number, because 145676150072549 - 2²⁸ = 145675881637093 is a prime.

It is a super-3 number, since 3×145676150072549³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145676150072491 and 145676150072500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145676150072249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50129437664 + ... + 50129440569.

It is an arithmetic number, because the mean of its divisors is an integer number (36444102238059).

Almost surely, 2^{145676150072549} is an apocalyptic number.

It is an amenable number.

145676150072549 is a deficient number, since it is larger than the sum of its proper divisors (100258879687).

145676150072549 is a wasteful number, since it uses less digits than its factorization.

145676150072549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100258879686.

The product of its (nonzero) digits is 63504000, while the sum is 62.

The spelling of 145676150072549 in words is "one hundred forty-five trillion, six hundred seventy-six billion, one hundred fifty million, seventy-two thousand, five hundred forty-nine".