149660923101228 has 432 divisors, whose sum is σ = 479168014753792. Its totient is φ = 38551246272000.

The previous prime is 149660923101197. The next prime is 149660923101257. The reversal of 149660923101228 is 822101329066941.

It is a happy number.

149660923101228 is a `hidden beast` number, since 1 + 4 + 9 + 6 + 609 + 2 + 3 + 1 + 0 + 1 + 2 + 28 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 11876902128 + ... + 11876914728.

Almost surely, 2^{149660923101228} is an apocalyptic number.

149660923101228 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149660923101228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239584007376896).

149660923101228 is an abundant number, since it is smaller than the sum of its proper divisors (329507091652564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149660923101228 is a wasteful number, since it uses less digits than its factorization.

149660923101228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15834 (or 15818 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 54.

The spelling of 149660923101228 in words is "one hundred forty-nine trillion, six hundred sixty billion, nine hundred twenty-three million, one hundred one thousand, two hundred twenty-eight".