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150322145 = 530064429
BaseRepresentation
bin10001111010110…
…11101111100001
3101110212011012212
420331123233201
5301440302040
622525531505
73503500661
oct1075335741
9343764185
10150322145
1177942286
1242413b95
13251b271c
1415d701a1
15d2e4d65
hex8f5bbe1

150322145 has 4 divisors (see below), whose sum is σ = 180386580. Its totient is φ = 120257712.

The previous prime is 150322079. The next prime is 150322169. The reversal of 150322145 is 541223051.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 541223051 = 2323531437.

It can be written as a sum of positive squares in 2 ways, for example, as 113465104 + 36857041 = 10652^2 + 6071^2 .

It is a cyclic number.

It is not a de Polignac number, because 150322145 - 28 = 150321889 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 150322145.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15032210 + ... + 15032219.

It is an arithmetic number, because the mean of its divisors is an integer number (45096645).

Almost surely, 2150322145 is an apocalyptic number.

It is an amenable number.

150322145 is a deficient number, since it is larger than the sum of its proper divisors (30064435).

150322145 is an equidigital number, since it uses as much as digits as its factorization.

150322145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30064434.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 150322145 is about 12260.5931748835. The cubic root of 150322145 is about 531.7093794471.

Adding to 150322145 its reverse (541223051), we get a palindrome (691545196).

The spelling of 150322145 in words is "one hundred fifty million, three hundred twenty-two thousand, one hundred forty-five".

Divisors: 1 5 30064429 150322145