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145046916 = 22337191861
BaseRepresentation
bin10001010010100…
…11110110000100
3101002221010222000
420221103312010
5244113000131
622220505300
73410610210
oct1051236604
9332833860
10145046916
1174969993
12406ab230
13240865a1
1415399940
15cb01ce6
hex8a53d84

145046916 has 48 divisors (see below), whose sum is σ = 429770880. Its totient is φ = 41441760.

The previous prime is 145046903. The next prime is 145046929. The reversal of 145046916 is 619640541.

It is an interprime number because it is at equal distance from previous prime (145046903) and next prime (145046929).

It is a super-2 number, since 2×1450469162 = 42077215682222112, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95175 + ... + 96686.

It is an arithmetic number, because the mean of its divisors is an integer number (8953560).

Almost surely, 2145046916 is an apocalyptic number.

It is an amenable number.

145046916 is an abundant number, since it is smaller than the sum of its proper divisors (284723964).

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

145046916 is a wasteful number, since it uses less digits than its factorization.

145046916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191881 (or 191873 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 145046916 is about 12043.5425021046. The cubic root of 145046916 is about 525.4154425941.

The spelling of 145046916 in words is "one hundred forty-five million, forty-six thousand, nine hundred sixteen".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 84 108 126 189 252 378 756 191861 383722 575583 767444 1151166 1343027 1726749 2302332 2686054 3453498 4029081 5180247 5372108 6906996 8058162 10360494 12087243 16116324 20720988 24174486 36261729 48348972 72523458 145046916