149745672538559 has 4 divisors (see below), whose sum is σ = 149745730075800. Its totient is φ = 149745615001320.

The previous prime is 149745672538447. The next prime is 149745672538643. The reversal of 149745672538559 is 955835276547941.

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

It is a cyclic number.

It is not a de Polignac number, because 149745672538559 - 2¹² = 149745672534463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149745672568559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24670109 + ... + 30134790.

It is an arithmetic number, because the mean of its divisors is an integer number (37436432518950).

Almost surely, 2^{149745672538559} is an apocalyptic number.

149745672538559 is a deficient number, since it is larger than the sum of its proper divisors (57537241).

149745672538559 is an equidigital number, since it uses as much as digits as its factorization.

149745672538559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57537240.

The product of its digits is 11430720000, while the sum is 80.

The spelling of 149745672538559 in words is "one hundred forty-nine trillion, seven hundred forty-five billion, six hundred seventy-two million, five hundred thirty-eight thousand, five hundred fifty-nine".