149173408 has 48 divisors (see below), whose sum is σ = 312167520. Its totient is φ = 69970176.

The previous prime is 149173403. The next prime is 149173411. The reversal of 149173408 is 804371941.

It is not an unprimeable number, because it can be changed into a prime (149173403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63910 + ... + 66202.

It is an arithmetic number, because the mean of its divisors is an integer number (6503490).

Almost surely, 2^149173408 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 149173408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156083760).

149173408 is an abundant number, since it is smaller than the sum of its proper divisors (162994112).

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

149173408 is a wasteful number, since it uses less digits than its factorization.

149173408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2429 (or 2421 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 149173408 is about 12213.6566187199. The cubic root of 149173408 is about 530.3515029135.

The spelling of 149173408 in words is "one hundred forty-nine million, one hundred seventy-three thousand, four hundred eight".