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145320452086 = 21277190729837
BaseRepresentation
bin1000011101010111000…
…1100001111111110110
3111220002122001211221011
42013111301201333312
54340104013431321
6150432001342434
713333114314265
oct2072561417766
9456078054834
10145320452086
11566a2674587
12241b7637a1a
131091bc2c7b4
1470680a85dc
153ba7d76ae1
hex21d5c61ff6

145320452086 has 16 divisors (see below), whose sum is σ = 218273085936. Its totient is φ = 72562822816.

The previous prime is 145320452009. The next prime is 145320452087. The reversal of 145320452086 is 680254023541.

It is a super-2 number, since 2×1453204520862 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145320452087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4855560 + ... + 4885396.

It is an arithmetic number, because the mean of its divisors is an integer number (13642067871).

Almost surely, 2145320452086 is an apocalyptic number.

145320452086 is a deficient number, since it is larger than the sum of its proper divisors (72952633850).

145320452086 is a wasteful number, since it uses less digits than its factorization.

145320452086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33023.

The product of its (nonzero) digits is 230400, while the sum is 40.

The spelling of 145320452086 in words is "one hundred forty-five billion, three hundred twenty million, four hundred fifty-two thousand, eighty-six".

Divisors: 1 2 1277 1907 2554 3814 29837 59674 2435239 4870478 38101849 56899159 76203698 113798318 72660226043 145320452086