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145425660 = 22359292609
BaseRepresentation
bin10001010101100…
…00010011111100
3101010122101111120
420222300103330
5244212110120
622232550540
73414045342
oct1052602374
9333571446
10145425660
11750a84a6
1240852450
1324189ab3
1415457992
15cb79140
hex8ab04fc

145425660 has 48 divisors (see below), whose sum is σ = 407786400. Its totient is φ = 38723584.

The previous prime is 145425653. The next prime is 145425673. The reversal of 145425660 is 66524541.

It is a super-2 number, since 2×1454256602 = 42297245172871200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 54436 + ... + 57044.

It is an arithmetic number, because the mean of its divisors is an integer number (8495550).

Almost surely, 2145425660 is an apocalyptic number.

145425660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145425660 is an abundant number, since it is smaller than the sum of its proper divisors (262360740).

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

145425660 is a wasteful number, since it uses less digits than its factorization.

145425660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3550 (or 3548 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 145425660 is about 12059.2561959683. The cubic root of 145425660 is about 525.8723636972.

It can be divided in two parts, 14542 and 5660, that added together give a palindrome (20202).

The spelling of 145425660 in words is "one hundred forty-five million, four hundred twenty-five thousand, six hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 929 1858 2609 2787 3716 4645 5218 5574 7827 9290 10436 11148 13045 13935 15654 18580 26090 27870 31308 39135 52180 55740 78270 156540 2423761 4847522 7271283 9695044 12118805 14542566 24237610 29085132 36356415 48475220 72712830 145425660