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145353157 is a prime number
BaseRepresentation
bin10001010100111…
…10100111000101
3101010111201001021
420222132213011
5244202300112
622231231141
73413324065
oct1052364705
9333451037
10145353157
1175058a84
12408184b1
1324162ab1
14154393a5
15cb62907
hex8a9e9c5

145353157 has 2 divisors, whose sum is σ = 145353158. Its totient is φ = 145353156.

The previous prime is 145353139. The next prime is 145353163. The reversal of 145353157 is 751353541.

145353157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 142062561 + 3290596 = 11919^2 + 1814^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-145353157 is a prime.

It is a super-2 number, since 2×1453531572 = 42255080499733298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145353137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72676578 + 72676579.

It is an arithmetic number, because the mean of its divisors is an integer number (72676579).

Almost surely, 2145353157 is an apocalyptic number.

It is an amenable number.

145353157 is a deficient number, since it is larger than the sum of its proper divisors (1).

145353157 is an equidigital number, since it uses as much as digits as its factorization.

145353157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31500, while the sum is 34.

The square root of 145353157 is about 12056.2497071021. The cubic root of 145353157 is about 525.7849566973.

The spelling of 145353157 in words is "one hundred forty-five million, three hundred fifty-three thousand, one hundred fifty-seven".