149432063181 has 4 divisors (see below), whose sum is σ = 199242750912. Its totient is φ = 99621375452.

The previous prime is 149432063177. The next prime is 149432063201. The reversal of 149432063181 is 181360234941.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 149432063181 - 2² = 149432063177 is a prime.

It is a super-2 number, since 2×149432063181² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149432063111) 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, 24905343861 + ... + 24905343866.

It is an arithmetic number, because the mean of its divisors is an integer number (49810687728).

Almost surely, 2^149432063181 is an apocalyptic number.

It is an amenable number.

149432063181 is a deficient number, since it is larger than the sum of its proper divisors (49810687731).

149432063181 is an equidigital number, since it uses as much as digits as its factorization.

149432063181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49810687730.

The product of its (nonzero) digits is 124416, while the sum is 42.

The spelling of 149432063181 in words is "one hundred forty-nine billion, four hundred thirty-two million, sixty-three thousand, one hundred eighty-one".