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1542160157 is a prime number
BaseRepresentation
bin101101111101011…
…0111111100011101
310222110211212000212
41123322313330131
511124243111112
6413005502205
753134100516
oct13372677435
93873755025
101542160157
1172156682a
12370571965
131b7664105
14108b59a0d
15905c6522
hex5beb7f1d

1542160157 has 2 divisors, whose sum is σ = 1542160158. Its totient is φ = 1542160156.

The previous prime is 1542160063. The next prime is 1542160181. The reversal of 1542160157 is 7510612451.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1529279236 + 12880921 = 39106^2 + 3589^2 .

It is a cyclic number.

It is not a de Polignac number, because 1542160157 - 28 = 1542159901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1542160357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 771080078 + 771080079.

It is an arithmetic number, because the mean of its divisors is an integer number (771080079).

Almost surely, 21542160157 is an apocalyptic number.

It is an amenable number.

1542160157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1542160157 is an equidigital number, since it uses as much as digits as its factorization.

1542160157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8400, while the sum is 32.

The square root of 1542160157 is about 39270.3470445577. The cubic root of 1542160157 is about 1155.3400439280.

The spelling of 1542160157 in words is "one billion, five hundred forty-two million, one hundred sixty thousand, one hundred fifty-seven".