149474376 has 128 divisors (see below), whose sum is σ = 435024000. Its totient is φ = 47506176.

The previous prime is 149474371. The next prime is 149474389. The reversal of 149474376 is 673474941.

149474376 is a `hidden beast` number, since 149 + 474 + 37 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149474371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 471370 + ... + 471686.

It is an arithmetic number, because the mean of its divisors is an integer number (3398625).

Almost surely, 2^149474376 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149474376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217512000).

149474376 is an abundant number, since it is smaller than the sum of its proper divisors (285549624).

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

149474376 is a wasteful number, since it uses less digits than its factorization.

149474376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428 (or 418 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The square root of 149474376 is about 12225.9713724514. The cubic root of 149474376 is about 530.7079373164.

The spelling of 149474376 in words is "one hundred forty-nine million, four hundred seventy-four thousand, three hundred seventy-six".