149578000 has 160 divisors (see below), whose sum is σ = 425722752. Its totient is φ = 50112000.

The previous prime is 149577997. The next prime is 149578003. The reversal of 149578000 is 875941.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (149577997) and next prime (149578003).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149578003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 285739 + ... + 286261.

Almost surely, 2^149578000 is an apocalyptic number.

149578000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149578000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212861376).

149578000 is an abundant number, since it is smaller than the sum of its proper divisors (276144752).

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

149578000 is a wasteful number, since it uses less digits than its factorization.

149578000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570 (or 554 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 149578000 is about 12230.2085019022. The cubic root of 149578000 is about 530.8305477984.

The spelling of 149578000 in words is "one hundred forty-nine million, five hundred seventy-eight thousand".