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152443145 = 537824017
BaseRepresentation
bin10010001011000…
…01100100001001
3101121211220200102
421011201210021
5303011140040
623043215145
73530513441
oct1105414411
9347756612
10152443145
1179060878
12430774b5
1325775c5a
1416363121
15d5b3515
hex9161909

152443145 has 8 divisors (see below), whose sum is σ = 187876104. Its totient is φ = 118658304.

The previous prime is 152443141. The next prime is 152443147. The reversal of 152443145 is 541344251.

It can be written as a sum of positive squares in 4 ways, for example, as 22733824 + 129709321 = 4768^2 + 11389^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 152443145 - 22 = 152443141 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152443141) 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, 411824 + ... + 412193.

It is an arithmetic number, because the mean of its divisors is an integer number (23484513).

Almost surely, 2152443145 is an apocalyptic number.

It is an amenable number.

152443145 is a deficient number, since it is larger than the sum of its proper divisors (35432959).

152443145 is an equidigital number, since it uses as much as digits as its factorization.

152443145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824059.

The product of its digits is 9600, while the sum is 29.

The square root of 152443145 is about 12346.7868289689. The cubic root of 152443145 is about 534.1984620044.

Adding to 152443145 its reverse (541344251), we get a palindrome (693787396).

The spelling of 152443145 in words is "one hundred fifty-two million, four hundred forty-three thousand, one hundred forty-five".

Divisors: 1 5 37 185 824017 4120085 30488629 152443145