Search a number
-
+
145156306 = 2137352861
BaseRepresentation
bin10001010011011…
…10100011010010
3101010010201000111
420221232203102
5244130000211
622223111534
73411544141
oct1051564322
9333121014
10145156306
1174a34099
12407425aa
13240c4309
14153c7758
15cb24421
hex8a6e8d2

145156306 has 8 divisors (see below), whose sum is σ = 217897164. Its totient is φ = 72523920.

The previous prime is 145156283. The next prime is 145156309. The reversal of 145156306 is 603651541.

It can be written as a sum of positive squares in 2 ways, for example, as 120802081 + 24354225 = 10991^2 + 4935^2 .

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

It is not an unprimeable number, because it can be changed into a prime (145156309) 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 3 ways as a sum of consecutive naturals, for example, 23685 + ... + 29176.

Almost surely, 2145156306 is an apocalyptic number.

145156306 is a deficient number, since it is larger than the sum of its proper divisors (72740858).

145156306 is a wasteful number, since it uses less digits than its factorization.

145156306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54236.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 145156306 is about 12048.0830840429. The cubic root of 145156306 is about 525.5474935521.

The spelling of 145156306 in words is "one hundred forty-five million, one hundred fifty-six thousand, three hundred six".

Divisors: 1 2 1373 2746 52861 105722 72578153 145156306