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152122145 = 577359539
BaseRepresentation
bin10010001000100…
…11001100100001
3101121020121100112
421010103030201
5302420402040
623032301105
73525005540
oct1104231441
9347217315
10152122145
117896168a
1242b41795
1325692b06
14162bc157
15d54d365
hex9113321

152122145 has 16 divisors (see below), whose sum is σ = 211486080. Its totient is φ = 102881664.

The previous prime is 152122129. The next prime is 152122147. The reversal of 152122145 is 541221251.

It is a cyclic number.

It is not a de Polignac number, because 152122145 - 24 = 152122129 is a prime.

It is a super-2 number, since 2×1521221452 = 46282293998802050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 152122145.

It is not an unprimeable number, because it can be changed into a prime (152122147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27215 + ... + 32324.

It is an arithmetic number, because the mean of its divisors is an integer number (13217880).

Almost surely, 2152122145 is an apocalyptic number.

It is an amenable number.

152122145 is a deficient number, since it is larger than the sum of its proper divisors (59363935).

152122145 is an equidigital number, since it uses as much as digits as its factorization.

152122145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59624.

The product of its digits is 800, while the sum is 23.

The square root of 152122145 is about 12333.7806450415. The cubic root of 152122145 is about 533.8232440661.

Adding to 152122145 its reverse (541221251), we get a palindrome (693343396).

The spelling of 152122145 in words is "one hundred fifty-two million, one hundred twenty-two thousand, one hundred forty-five".

Divisors: 1 5 7 35 73 365 511 2555 59539 297695 416773 2083865 4346347 21731735 30424429 152122145