149521000 has 32 divisors (see below), whose sum is σ = 349881480. Its totient is φ = 59808000.

The previous prime is 149520997. The next prime is 149521007. The reversal of 149521000 is 125941.

It can be written as a sum of positive squares in 4 ways, for example, as 87647044 + 61873956 = 9362^2 + 7866^2 .

It is not an unprimeable number, because it can be changed into a prime (149521007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73761 + ... + 75760.

Almost surely, 2^149521000 is an apocalyptic number.

149521000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149521000 is an abundant number, since it is smaller than the sum of its proper divisors (200360480).

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

149521000 is a wasteful number, since it uses less digits than its factorization.

149521000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149542 (or 149528 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 149521000 is about 12227.8779843438. The cubic root of 149521000 is about 530.7631109975.

Adding to 149521000 its reverse (125941), we get a palindrome (149646941).

The spelling of 149521000 in words is "one hundred forty-nine million, five hundred twenty-one thousand".