149474064 has 160 divisors (see below), whose sum is σ = 445685760. Its totient is φ = 42854400.

The previous prime is 149474057. The next prime is 149474071. The reversal of 149474064 is 460474941.

It is an interprime number because it is at equal distance from previous prime (149474057) and next prime (149474071).

It is a congruent number.

It is an unprimeable number.

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, 480469 + ... + 480779.

It is an arithmetic number, because the mean of its divisors is an integer number (2785536).

Almost surely, 2^149474064 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 149474064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222842880).

149474064 is an abundant number, since it is smaller than the sum of its proper divisors (296211696).

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

149474064 is a wasteful number, since it uses less digits than its factorization.

149474064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389 (or 383 counting only the distinct ones).

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

The square root of 149474064 is about 12225.9586127224. The cubic root of 149474064 is about 530.7075680648.

The spelling of 149474064 in words is "one hundred forty-nine million, four hundred seventy-four thousand, sixty-four".