149405076 has 36 divisors (see below), whose sum is σ = 380432052. Its totient is φ = 49436544.

The previous prime is 149405059. The next prime is 149405077. The reversal of 149405076 is 670504941.

149405076 is a `hidden beast` number, since 149 + 4 + 0 + 507 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 75272976 + 74132100 = 8676^2 + 8610^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a self number, because there is not a number n which added to its sum of digits gives 149405076.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149405077) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10215 + ... + 20078.

It is an arithmetic number, because the mean of its divisors is an integer number (10567557).

Almost surely, 2^149405076 is an apocalyptic number.

It is an amenable number.

149405076 is an abundant number, since it is smaller than the sum of its proper divisors (231026976).

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

149405076 is a wasteful number, since it uses less digits than its factorization.

149405076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30440 (or 30435 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 149405076 is about 12223.1369132478. The cubic root of 149405076 is about 530.6259082172.

The spelling of 149405076 in words is "one hundred forty-nine million, four hundred five thousand, seventy-six".