149528149398 has 96 divisors (see below), whose sum is σ = 345916116000. Its totient is φ = 46517649408.

The previous prime is 149528149387. The next prime is 149528149403. The reversal of 149528149398 is 893941825941.

149528149398 is a `hidden beast` number, since 1 + 4 + 9 + 52 + 8 + 1 + 493 + 98 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 49040178 + ... + 49043226.

It is an arithmetic number, because the mean of its divisors is an integer number (3603292875).

Almost surely, 2^149528149398 is an apocalyptic number.

149528149398 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 149528149398, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172958058000).

149528149398 is an abundant number, since it is smaller than the sum of its proper divisors (196387966602).

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

149528149398 is a wasteful number, since it uses less digits than its factorization.

149528149398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4366 (or 4363 counting only the distinct ones).

The product of its digits is 22394880, while the sum is 63.

The spelling of 149528149398 in words is "one hundred forty-nine billion, five hundred twenty-eight million, one hundred forty-nine thousand, three hundred ninety-eight".