Search a number
-
+
145849306 = 2353320641
BaseRepresentation
bin10001011000101…
…11101111011010
3101011102220122011
420230113233122
5244314134211
622250020134
73420461431
oct1054275732
9334386564
10145849306
1175367819
1240a1764a
13242a7885
1415528118
15cc0e921
hex8b17bda

145849306 has 8 divisors (see below), whose sum is σ = 218846484. Its totient is φ = 72900480.

The previous prime is 145849271. The next prime is 145849321. The reversal of 145849306 is 603948541.

It can be written as a sum of positive squares in 2 ways, for example, as 145805625 + 43681 = 12075^2 + 209^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3255 + ... + 17386.

Almost surely, 2145849306 is an apocalyptic number.

145849306 is a deficient number, since it is larger than the sum of its proper divisors (72997178).

145849306 is a wasteful number, since it uses less digits than its factorization.

145849306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24176.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 145849306 is about 12076.8086016133. The cubic root of 145849306 is about 526.3825160758.

The spelling of 145849306 in words is "one hundred forty-five million, eight hundred forty-nine thousand, three hundred six".

Divisors: 1 2 3533 7066 20641 41282 72924653 145849306