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145101572 = 227112320483
BaseRepresentation
bin10001010011000…
…01001100000100
3101010000220221022
420221201030010
5244121222242
622222010312
73411225440
oct1051411404
9333026838
10145101572
11749a6a60
1240716998
13240a5425
14153b1820
15cb130d2
hex8a61304

145101572 has 48 divisors (see below), whose sum is σ = 330365952. Its totient is φ = 54072480.

The previous prime is 145101569. The next prime is 145101577. The reversal of 145101572 is 275101541.

It is not an unprimeable number, because it can be changed into a prime (145101577) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3158 + ... + 17325.

It is an arithmetic number, because the mean of its divisors is an integer number (6882624).

Almost surely, 2145101572 is an apocalyptic number.

It is an amenable number.

145101572 is an abundant number, since it is smaller than the sum of its proper divisors (185264380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145101572 is a wasteful number, since it uses less digits than its factorization.

145101572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20528 (or 20526 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 26.

The square root of 145101572 is about 12045.8113881963. The cubic root of 145101572 is about 525.4814292899.

The spelling of 145101572 in words is "one hundred forty-five million, one hundred one thousand, five hundred seventy-two".

Divisors: 1 2 4 7 11 14 22 23 28 44 46 77 92 154 161 253 308 322 506 644 1012 1771 3542 7084 20483 40966 81932 143381 225313 286762 450626 471109 573524 901252 942218 1577191 1884436 3154382 3297763 5182199 6308764 6595526 10364398 13191052 20728796 36275393 72550786 145101572