149023704 has 64 divisors (see below), whose sum is σ = 384652800. Its totient is φ = 48087936.

The previous prime is 149023687. The next prime is 149023711. The reversal of 149023704 is 407320941.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99747 + ... + 101229.

It is an arithmetic number, because the mean of its divisors is an integer number (6010200).

Almost surely, 2^149023704 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 149023704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192326400).

149023704 is an abundant number, since it is smaller than the sum of its proper divisors (235629096).

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

149023704 is a wasteful number, since it uses less digits than its factorization.

149023704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1624 (or 1620 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 149023704 is about 12207.5265307924. The cubic root of 149023704 is about 530.1740308992.

The spelling of 149023704 in words is "one hundred forty-nine million, twenty-three thousand, seven hundred four".