149446476 has 108 divisors (see below), whose sum is σ = 413005320. Its totient is φ = 45411840.

The previous prime is 149446471. The next prime is 149446481. The reversal of 149446476 is 674644941.

149446476 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (149446471) and next prime (149446481).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

Its product of digits (580608) is a multiple of the sum of its prime factors (216).

It is not an unprimeable number, because it can be changed into a prime (149446471) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2047176 + ... + 2047248.

Almost surely, 2^149446476 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 149446476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206502660).

149446476 is an abundant number, since it is smaller than the sum of its proper divisors (263558844).

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

149446476 is a wasteful number, since it uses less digits than its factorization.

149446476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216 (or 138 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 149446476 is about 12224.8303055707. The cubic root of 149446476 is about 530.6749156637.

The spelling of 149446476 in words is "one hundred forty-nine million, four hundred forty-six thousand, four hundred seventy-six".