149021496 has 144 divisors (see below), whose sum is σ = 450201960. Its totient is φ = 44478720.

The previous prime is 149021479. The next prime is 149021573. The reversal of 149021496 is 694120941.

It is a happy number.

149021496 is a `hidden beast` number, since 149 + 0 + 21 + 496 = 666.

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 149021496.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 450051 + ... + 450381.

Almost surely, 2^149021496 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 149021496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225100980).

149021496 is an abundant number, since it is smaller than the sum of its proper divisors (301180464).

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

149021496 is a wasteful number, since it uses less digits than its factorization.

149021496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406 (or 386 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 149021496 is about 12207.4360944467. The cubic root of 149021496 is about 530.1714124566.

The spelling of 149021496 in words is "one hundred forty-nine million, twenty-one thousand, four hundred ninety-six".