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149214358 = 274607179
BaseRepresentation
bin10001110010011…
…01010010010110
3101101202212121201
420321031102112
5301144324413
622450103114
73461205166
oct1071152226
9341685551
10149214358
1177255a57
1241b7aa9a
1324bb5427
1415b625a6
15d1769dd
hex8e4d496

149214358 has 4 divisors (see below), whose sum is σ = 223821540. Its totient is φ = 74607178.

The previous prime is 149214323. The next prime is 149214383. The reversal of 149214358 is 853412941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 853412941 = 7271173883.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 37303588 + ... + 37303591.

It is an arithmetic number, because the mean of its divisors is an integer number (55955385).

Almost surely, 2149214358 is an apocalyptic number.

149214358 is a deficient number, since it is larger than the sum of its proper divisors (74607182).

149214358 is an equidigital number, since it uses as much as digits as its factorization.

149214358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74607181.

The product of its digits is 34560, while the sum is 37.

The square root of 149214358 is about 12215.3329058196. The cubic root of 149214358 is about 530.4000278872.

The spelling of 149214358 in words is "one hundred forty-nine million, two hundred fourteen thousand, three hundred fifty-eight".

Divisors: 1 2 74607179 149214358