149230020 has 24 divisors (see below), whose sum is σ = 417844224. Its totient is φ = 39794656.

The previous prime is 149229967. The next prime is 149230021. The reversal of 149230020 is 20032941.

It is not an unprimeable number, because it can be changed into a prime (149230021) 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, 1243524 + ... + 1243643.

It is an arithmetic number, because the mean of its divisors is an integer number (17410176).

Almost surely, 2^149230020 is an apocalyptic number.

149230020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149230020 is an abundant number, since it is smaller than the sum of its proper divisors (268614204).

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

149230020 is a wasteful number, since it uses less digits than its factorization.

149230020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2487179 (or 2487177 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 149230020 is about 12215.9739685381. The cubic root of 149230020 is about 530.4185847131.

Adding to 149230020 its reverse (20032941), we get a palindrome (169262961).

The spelling of 149230020 in words is "one hundred forty-nine million, two hundred thirty thousand, twenty".