147149860612901 has 4 divisors (see below), whose sum is σ = 147149898232332. Its totient is φ = 147149822993472.

The previous prime is 147149860612897. The next prime is 147149860612957. The reversal of 147149860612901 is 109216068941741.

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 66354481222276 + 80795379390625 = 8145826^2 + 8988625^2 .

It is a cyclic number.

It is not a de Polignac number, because 147149860612901 - 2² = 147149860612897 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147149860612201) 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, 12158420 + ... + 21026813.

It is an arithmetic number, because the mean of its divisors is an integer number (36787474558083).

Almost surely, 2^{147149860612901} is an apocalyptic number.

It is an amenable number.

147149860612901 is a deficient number, since it is larger than the sum of its proper divisors (37619431).

147149860612901 is an equidigital number, since it uses as much as digits as its factorization.

147149860612901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37619430.

The product of its (nonzero) digits is 5225472, while the sum is 59.

The spelling of 147149860612901 in words is "one hundred forty-seven trillion, one hundred forty-nine billion, eight hundred sixty million, six hundred twelve thousand, nine hundred one".