149820230 has 32 divisors (see below), whose sum is σ = 308689920. Its totient is φ = 51285600.

The previous prime is 149820221. The next prime is 149820239. The reversal of 149820230 is 32028941.

It is an interprime number because it is at equal distance from previous prime (149820221) and next prime (149820239).

It is a super-2 number, since 2×149820230² = 44892202634505800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 149820193 and 149820202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149820239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57455 + ... + 60005.

It is an arithmetic number, because the mean of its divisors is an integer number (9646560).

Almost surely, 2^149820230 is an apocalyptic number.

149820230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

149820230 is an abundant number, since it is smaller than the sum of its proper divisors (158869690).

149820230 is a wasteful number, since it uses less digits than its factorization.

149820230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3404.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 149820230 is about 12240.1074341690. The cubic root of 149820230 is about 531.1169395937.

The spelling of 149820230 in words is "one hundred forty-nine million, eight hundred twenty thousand, two hundred thirty".