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145773032 = 2318221629
BaseRepresentation
bin10001011000001…
…01000111101000
3101011022001000012
420230011013220
5244304214112
622244231052
73420023156
oct1054050750
9334261005
10145773032
1175315489
124099b488
132427bc42
14155083d6
15cbe7022
hex8b051e8

145773032 has 8 divisors (see below), whose sum is σ = 273324450. Its totient is φ = 72886512.

The previous prime is 145773029. The next prime is 145773041. The reversal of 145773032 is 230377541.

It can be written as a sum of positive squares in only one way, i.e., 112063396 + 33709636 = 10586^2 + 5806^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 145773032.

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 as a sum of consecutive naturals, namely, 9110807 + ... + 9110822.

Almost surely, 2145773032 is an apocalyptic number.

It is an amenable number.

145773032 is a deficient number, since it is larger than the sum of its proper divisors (127551418).

145773032 is a wasteful number, since it uses less digits than its factorization.

145773032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18221635 (or 18221631 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 145773032 is about 12073.6503179444. The cubic root of 145773032 is about 526.2907402970.

The spelling of 145773032 in words is "one hundred forty-five million, seven hundred seventy-three thousand, thirty-two".

Divisors: 1 2 4 8 18221629 36443258 72886516 145773032