148550991169 has 24 divisors (see below), whose sum is σ = 173639714688. Its totient is φ = 126714883680.

The previous prime is 148550991139. The next prime is 148550991203. The reversal of 148550991169 is 961199055841.

It is not a de Polignac number, because 148550991169 - 2⁷ = 148550991041 is a prime.

It is a super-2 number, since 2×148550991169² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148550991139) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12569307 + ... + 12581119.

It is an arithmetic number, because the mean of its divisors is an integer number (7234988112).

Almost surely, 2^148550991169 is an apocalyptic number.

It is an amenable number.

148550991169 is a deficient number, since it is larger than the sum of its proper divisors (25088723519).

148550991169 is a wasteful number, since it uses less digits than its factorization.

148550991169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13045 (or 13038 counting only the distinct ones).

The product of its (nonzero) digits is 3499200, while the sum is 58.

The spelling of 148550991169 in words is "one hundred forty-eight billion, five hundred fifty million, nine hundred ninety-one thousand, one hundred sixty-nine".