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145338483 = 348446161
BaseRepresentation
bin10001010100110…
…11000001110011
3101010110221220210
420222123001303
5244201312413
622231035203
73413233233
oct1052330163
9333427823
10145338483
1175048a54
124080bb03
1324159204
1415433cc3
15cb5d3c3
hex8a9b073

145338483 has 4 divisors (see below), whose sum is σ = 193784648. Its totient is φ = 96892320.

The previous prime is 145338469. The next prime is 145338493. The reversal of 145338483 is 384833541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 384833541 = 3128277847.

It is not a de Polignac number, because 145338483 - 29 = 145337971 is a prime.

It is a super-2 number, since 2×1453384832 = 42246549281482578, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145338463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24223078 + ... + 24223083.

It is an arithmetic number, because the mean of its divisors is an integer number (48446162).

Almost surely, 2145338483 is an apocalyptic number.

145338483 is a deficient number, since it is larger than the sum of its proper divisors (48446165).

145338483 is an equidigital number, since it uses as much as digits as its factorization.

145338483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48446164.

The product of its digits is 138240, while the sum is 39.

The square root of 145338483 is about 12055.6411277045. The cubic root of 145338483 is about 525.7672627160.

The spelling of 145338483 in words is "one hundred forty-five million, three hundred thirty-eight thousand, four hundred eighty-three".

Divisors: 1 3 48446161 145338483