149845308788997 has 12 divisors (see below), whose sum is σ = 216443972223180. Its totient is φ = 99896527102848.

The previous prime is 149845308788969. The next prime is 149845308789049. The reversal of 149845308788997 is 799887803548941.

149845308788997 is a `hidden beast` number, since 1 + 4 + 9 + 8 + 453 + 0 + 8 + 78 + 89 + 9 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 147883743276516 + 1961565512481 = 12160746^2 + 1400559^2 .

It is a de Polignac number, because none of the positive numbers 2^k-149845308788997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149845308788927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26023908 + ... + 31255949.

It is an arithmetic number, because the mean of its divisors is an integer number (18036997685265).

Almost surely, 2^{149845308788997} is an apocalyptic number.

It is an amenable number.

149845308788997 is a deficient number, since it is larger than the sum of its proper divisors (66598663434183).

149845308788997 is a wasteful number, since it uses less digits than its factorization.

149845308788997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57570532 (or 57570529 counting only the distinct ones).

The product of its (nonzero) digits is 35115171840, while the sum is 90.

The spelling of 149845308788997 in words is "one hundred forty-nine trillion, eight hundred forty-five billion, three hundred eight million, seven hundred eighty-eight thousand, nine hundred ninety-seven".