149224000 has 112 divisors (see below), whose sum is σ = 386096256. Its totient is φ = 57024000.

The previous prime is 149223989. The next prime is 149224001. The reversal of 149224000 is 422941.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (149224001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183595 + ... + 184405.

It is an arithmetic number, because the mean of its divisors is an integer number (3447288).

Almost surely, 2^149224000 is an apocalyptic number.

149224000 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 149224000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193048128).

149224000 is an abundant number, since it is smaller than the sum of its proper divisors (236872256).

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

149224000 is an equidigital number, since it uses as much as digits as its factorization.

149224000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861 (or 841 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 149224000 is about 12215.7275673617. The cubic root of 149224000 is about 530.4114521830.

Adding to 149224000 its reverse (422941), we get a palindrome (149646941).

The spelling of 149224000 in words is "one hundred forty-nine million, two hundred twenty-four thousand".