149506128 has 40 divisors (see below), whose sum is σ = 429139200. Its totient is φ = 49835232.

The previous prime is 149506127. The next prime is 149506129. The reversal of 149506128 is 821605941.

149506128 is a `hidden beast` number, since 149 + 506 + 1 + 2 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (149506127) and next prime (149506129).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 149506092 and 149506101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149506127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172608 + ... + 173471.

It is an arithmetic number, because the mean of its divisors is an integer number (10728480).

Almost surely, 2^149506128 is an apocalyptic number.

149506128 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

149506128 is an abundant number, since it is smaller than the sum of its proper divisors (279633072).

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

149506128 is a wasteful number, since it uses less digits than its factorization.

149506128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346096 (or 346084 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 149506128 is about 12227.2698506249. The cubic root of 149506128 is about 530.7455130888.

The spelling of 149506128 in words is "one hundred forty-nine million, five hundred six thousand, one hundred twenty-eight".