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145578052 = 22199182887
BaseRepresentation
bin10001010110101…
…01100001000100
3101010221010112201
420223111201010
5244231444202
622240124244
73415251544
oct1053254104
9333833481
10145578052
11751a1a44
1240906684
1324211279
1415497324
15cba9387
hex8ad5844

145578052 has 12 divisors (see below), whose sum is σ = 256043200. Its totient is φ = 72422856.

The previous prime is 145578049. The next prime is 145578061. The reversal of 145578052 is 250875541.

It is a super-2 number, since 2×1455780522 = 42385938448229408, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 90648 + ... + 92239.

Almost surely, 2145578052 is an apocalyptic number.

It is an amenable number.

145578052 is a deficient number, since it is larger than the sum of its proper divisors (110465148).

145578052 is a wasteful number, since it uses less digits than its factorization.

145578052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183090 (or 183088 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 37.

The square root of 145578052 is about 12065.5730075285. The cubic root of 145578052 is about 526.0559873323.

It can be divided in two parts, 1455 and 78052, that added together give a cube (79507 = 433).

The spelling of 145578052 in words is "one hundred forty-five million, five hundred seventy-eight thousand, fifty-two".

Divisors: 1 2 4 199 398 796 182887 365774 731548 36394513 72789026 145578052