147789146437 has 2 divisors, whose sum is σ = 147789146438. Its totient is φ = 147789146436.

The previous prime is 147789146429. The next prime is 147789146443. The reversal of 147789146437 is 734641987741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 140691757921 + 7097388516 = 375089^2 + 84246^2 .

It is a cyclic number.

It is not a de Polignac number, because 147789146437 - 2³ = 147789146429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147789146467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73894573218 + 73894573219.

It is an arithmetic number, because the mean of its divisors is an integer number (73894573219).

Almost surely, 2^147789146437 is an apocalyptic number.

It is an amenable number.

147789146437 is a deficient number, since it is larger than the sum of its proper divisors (1).

147789146437 is an equidigital number, since it uses as much as digits as its factorization.

147789146437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28449792, while the sum is 61.

The spelling of 147789146437 in words is "one hundred forty-seven billion, seven hundred eighty-nine million, one hundred forty-six thousand, four hundred thirty-seven".