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145114746 = 2373455113
BaseRepresentation
bin10001010011001…
…00011001111010
3101010001121000020
420221210121322
5244122132441
622222151310
73411312030
oct1051443172
9333047006
10145114746
1174a05947
1240722536
13240ab41a
14153b6550
15cb16e66
hex8a6467a

145114746 has 16 divisors (see below), whose sum is σ = 331690944. Its totient is φ = 41461344.

The previous prime is 145114741. The next prime is 145114747. The reversal of 145114746 is 647411541.

It is not an unprimeable number, because it can be changed into a prime (145114741) by changing a digit.

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, 1727515 + ... + 1727598.

It is an arithmetic number, because the mean of its divisors is an integer number (20730684).

Almost surely, 2145114746 is an apocalyptic number.

145114746 is an abundant number, since it is smaller than the sum of its proper divisors (186576198).

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

145114746 is a wasteful number, since it uses less digits than its factorization.

145114746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3455125.

The product of its digits is 13440, while the sum is 33.

The square root of 145114746 is about 12046.3582048684. The cubic root of 145114746 is about 525.4973319039.

The spelling of 145114746 in words is "one hundred forty-five million, one hundred fourteen thousand, seven hundred forty-six".

Divisors: 1 2 3 6 7 14 21 42 3455113 6910226 10365339 20730678 24185791 48371582 72557373 145114746