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152040145 = 5269113041
BaseRepresentation
bin10010000111111…
…11001011010001
3101121002102212111
421003333023101
5302410241040
623030425321
73524214505
oct1103771321
9347072774
10152040145
1178906014
1242b02241
13256646aa
141629a305
15d533dea
hex90ff2d1

152040145 has 8 divisors (see below), whose sum is σ = 183128040. Its totient is φ = 121178880.

The previous prime is 152040113. The next prime is 152040149. The reversal of 152040145 is 541040251.

It can be written as a sum of positive squares in 4 ways, for example, as 3370896 + 148669249 = 1836^2 + 12193^2 .

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

It is not a de Polignac number, because 152040145 - 25 = 152040113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (152040149) 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, 55176 + ... + 57865.

It is an arithmetic number, because the mean of its divisors is an integer number (22891005).

Almost surely, 2152040145 is an apocalyptic number.

It is an amenable number.

152040145 is a deficient number, since it is larger than the sum of its proper divisors (31087895).

152040145 is a wasteful number, since it uses less digits than its factorization.

152040145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113315.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 152040145 is about 12330.4559931902. The cubic root of 152040145 is about 533.7273093737.

Adding to 152040145 its reverse (541040251), we get a palindrome (693080396).

The spelling of 152040145 in words is "one hundred fifty-two million, forty thousand, one hundred forty-five".

Divisors: 1 5 269 1345 113041 565205 30408029 152040145