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148939545 = 3510396401
BaseRepresentation
bin10001110000010…
…10001100011001
3101101020220122110
420320022030121
5301112031140
622440142533
73455652036
oct1070121431
9341226573
10148939545
1177088537
1241a67a49
1324b1a311
1415ad038d
15d120380
hex8e0a319

148939545 has 16 divisors (see below), whose sum is σ = 240619392. Its totient is φ = 78662400.

The previous prime is 148939543. The next prime is 148939561. The reversal of 148939545 is 545939841.

It is not a de Polignac number, because 148939545 - 21 = 148939543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 148939494 and 148939503.

It is not an unprimeable number, because it can be changed into a prime (148939543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46656 + ... + 49745.

It is an arithmetic number, because the mean of its divisors is an integer number (15038712).

Almost surely, 2148939545 is an apocalyptic number.

148939545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

148939545 is a deficient number, since it is larger than the sum of its proper divisors (91679847).

148939545 is a wasteful number, since it uses less digits than its factorization.

148939545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96512.

The product of its digits is 777600, while the sum is 48.

The square root of 148939545 is about 12204.0790312092. The cubic root of 148939545 is about 530.0742093787.

The spelling of 148939545 in words is "one hundred forty-eight million, nine hundred thirty-nine thousand, five hundred forty-five".

Divisors: 1 3 5 15 103 309 515 1545 96401 289203 482005 1446015 9929303 29787909 49646515 148939545