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157148743 is a prime number
BaseRepresentation
bin10010101110111…
…10011001000111
3101221200222112211
421113132121013
5310212224433
623332124251
73615512413
oct1127363107
9357628484
10157148743
11807851a4
1244766687
1326732a2b
1416c29d43
15dbe28cd
hex95de647

157148743 has 2 divisors, whose sum is σ = 157148744. Its totient is φ = 157148742.

The previous prime is 157148741. The next prime is 157148807. The reversal of 157148743 is 347841751.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 157148743 - 21 = 157148741 is a prime.

Together with 157148741, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 157148696 and 157148705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157148741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78574371 + 78574372.

It is an arithmetic number, because the mean of its divisors is an integer number (78574372).

Almost surely, 2157148743 is an apocalyptic number.

157148743 is a deficient number, since it is larger than the sum of its proper divisors (1).

157148743 is an equidigital number, since it uses as much as digits as its factorization.

157148743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 94080, while the sum is 40.

The square root of 157148743 is about 12535.8981728474. The cubic root of 157148743 is about 539.6393831445.

The spelling of 157148743 in words is "one hundred fifty-seven million, one hundred forty-eight thousand, seven hundred forty-three".