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149229 = 335527
BaseRepresentation
bin100100011011101101
321120201000
4210123231
514233404
63110513
71161033
oct443355
9246630
10149229
11a2133
1272439
1352c02
143c553
152e339
hex246ed

149229 has 8 divisors (see below), whose sum is σ = 221120. Its totient is φ = 99468.

The previous prime is 149213. The next prime is 149239. The reversal of 149229 is 922941.

It is not a de Polignac number, because 149229 - 24 = 149213 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 5527 = 149229 / (1 + 4 + 9 + 2 + 2 + 9).

It is a Duffinian number.

It is a zygodrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2737 + ... + 2790.

It is an arithmetic number, because the mean of its divisors is an integer number (27640).

2149229 is an apocalyptic number.

It is an amenable number.

149229 is a deficient number, since it is larger than the sum of its proper divisors (71891).

149229 is an equidigital number, since it uses as much as digits as its factorization.

149229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5536 (or 5530 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 149229 is about 386.3016955697. The cubic root of 149229 is about 53.0417376225.

It can be divided in two parts, 1492 and 29, that added together give a square (1521 = 392).

The spelling of 149229 in words is "one hundred forty-nine thousand, two hundred twenty-nine".

Divisors: 1 3 9 27 5527 16581 49743 149229