149440476 has 48 divisors (see below), whose sum is σ = 365234688. Its totient is φ = 47467200.

The previous prime is 149440471. The next prime is 149440481. The reversal of 149440476 is 674044941.

149440476 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 (149440471) and next prime (149440481).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149440471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84966 + ... + 86706.

It is an arithmetic number, because the mean of its divisors is an integer number (7609056).

Almost surely, 2^149440476 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 149440476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182617344).

149440476 is an abundant number, since it is smaller than the sum of its proper divisors (215794212).

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

149440476 is a wasteful number, since it uses less digits than its factorization.

149440476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2082 (or 2080 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 149440476 is about 12224.5849009281. The cubic root of 149440476 is about 530.6678136961.

The spelling of 149440476 in words is "one hundred forty-nine million, four hundred forty thousand, four hundred seventy-six".