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145380074 = 2729358079
BaseRepresentation
bin10001010101001…
…01001011101010
3101010120001222012
420222211023222
5244204130244
622231555522
73413465420
oct1052451352
9333501865
10145380074
1175077224
124082bba2
1324172118
1415445110
15cb6a89e
hex8aa52ea

145380074 has 16 divisors (see below), whose sum is σ = 257817600. Its totient is φ = 60157104.

The previous prime is 145380023. The next prime is 145380083. The reversal of 145380074 is 470083541.

It is a super-2 number, since 2×1453800742 = 42270731832490952, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 145380074.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 178634 + ... + 179445.

It is an arithmetic number, because the mean of its divisors is an integer number (16113600).

Almost surely, 2145380074 is an apocalyptic number.

145380074 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

145380074 is a deficient number, since it is larger than the sum of its proper divisors (112437526).

145380074 is a wasteful number, since it uses less digits than its factorization.

145380074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358117.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 145380074 is about 12057.3659644219. The cubic root of 145380074 is about 525.8174102526.

The spelling of 145380074 in words is "one hundred forty-five million, three hundred eighty thousand, seventy-four".

Divisors: 1 2 7 14 29 58 203 406 358079 716158 2506553 5013106 10384291 20768582 72690037 145380074