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148254479 is a prime number
BaseRepresentation
bin10001101011000…
…10111100001111
3101022222002220122
420311202330033
5300423120404
622413335155
73450066542
oct1065427417
9338862818
10148254479
117675a86a
12417974bb
132493a559
1415992859
15d0373be
hex8d62f0f

148254479 has 2 divisors, whose sum is σ = 148254480. Its totient is φ = 148254478.

The previous prime is 148254383. The next prime is 148254487. The reversal of 148254479 is 974452841.

It is a strong prime.

It is an emirp because it is prime and its reverse (974452841) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-148254479 is a prime.

It is a super-2 number, since 2×1482544792 = 43958781087122882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148274479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74127239 + 74127240.

It is an arithmetic number, because the mean of its divisors is an integer number (74127240).

Almost surely, 2148254479 is an apocalyptic number.

148254479 is a deficient number, since it is larger than the sum of its proper divisors (1).

148254479 is an equidigital number, since it uses as much as digits as its factorization.

148254479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 322560, while the sum is 44.

The square root of 148254479 is about 12175.9795909816. The cubic root of 148254479 is about 529.2602459945.

The spelling of 148254479 in words is "one hundred forty-eight million, two hundred fifty-four thousand, four hundred seventy-nine".