Search a number
-
+
150531445 = 5131229819
BaseRepresentation
bin10001111100011…
…10110101110101
3101111020210022201
420332032311311
5302014001240
622534224501
73505332121
oct1076166565
9344223281
10150531445
1177a75559
12424b5131
1325256a7c
1415dc6581
15d336d9a
hex8f8ed75

150531445 has 8 divisors (see below), whose sum is σ = 182017440. Its totient is φ = 119505360.

The previous prime is 150531421. The next prime is 150531457. The reversal of 150531445 is 544135051.

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

It is not a de Polignac number, because 150531445 - 27 = 150531317 is a prime.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 114255 + ... + 115564.

It is an arithmetic number, because the mean of its divisors is an integer number (22752180).

Almost surely, 2150531445 is an apocalyptic number.

It is an amenable number.

150531445 is a deficient number, since it is larger than the sum of its proper divisors (31485995).

150531445 is a wasteful number, since it uses less digits than its factorization.

150531445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229955.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 150531445 is about 12269.1256819710. The cubic root of 150531445 is about 531.9560389645.

Adding to 150531445 its reverse (544135051), we get a palindrome (694666496).

The spelling of 150531445 in words is "one hundred fifty million, five hundred thirty-one thousand, four hundred forty-five".

Divisors: 1 5 131 655 229819 1149095 30106289 150531445