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145944292 = 221323122027
BaseRepresentation
bin10001011001011…
…10111011100100
3101011121201221011
420230232323210
5244330204132
622252032004
73421335364
oct1054567344
9334551834
10145944292
117542211a
1240a62604
132430bb90
14155509a4
15cc2cb47
hex8b2eee4

145944292 has 24 divisors (see below), whose sum is σ = 287009856. Its totient is φ = 64429728.

The previous prime is 145944289. The next prime is 145944313. The reversal of 145944292 is 292449541.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59818 + ... + 62209.

It is an arithmetic number, because the mean of its divisors is an integer number (11958744).

Almost surely, 2145944292 is an apocalyptic number.

It is an amenable number.

145944292 is a deficient number, since it is larger than the sum of its proper divisors (141065564).

145944292 is a wasteful number, since it uses less digits than its factorization.

145944292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122067 (or 122065 counting only the distinct ones).

The product of its digits is 103680, while the sum is 40.

The square root of 145944292 is about 12080.7405402152. The cubic root of 145944292 is about 526.4967621216.

The spelling of 145944292 in words is "one hundred forty-five million, nine hundred forty-four thousand, two hundred ninety-two".

Divisors: 1 2 4 13 23 26 46 52 92 299 598 1196 122027 244054 488108 1586351 2806621 3172702 5613242 6345404 11226484 36486073 72972146 145944292