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145027072 = 21235407
BaseRepresentation
bin10001010010011…
…11000000000000
3101002220010202001
420221033000000
5244111331242
622220233344
73410465311
oct1051170000
9332803661
10145027072
1174955a93
124069b854
132407a548
1415392608
15caeaeb7
hex8a4f000

145027072 has 26 divisors (see below), whose sum is σ = 290026928. Its totient is φ = 72511488.

The previous prime is 145027063. The next prime is 145027081. The reversal of 145027072 is 270720541.

It is an interprime number because it is at equal distance from previous prime (145027063) and next prime (145027081).

It is a super-2 number, since 2×1450270722 = 42065703225786368, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145027072.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13608 + ... + 21799.

Almost surely, 2145027072 is an apocalyptic number.

It is an amenable number.

145027072 is a deficient number, since it is larger than the sum of its proper divisors (144999856).

145027072 is an frugal number, since it uses more digits than its factorization.

145027072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35431 (or 35409 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 145027072 is about 12042.7186299440. The cubic root of 145027072 is about 525.3914806471.

The spelling of 145027072 in words is "one hundred forty-five million, twenty-seven thousand, seventy-two".

Divisors: 1 2 4 8 16 32 64 128 256 512 1024 2048 4096 35407 70814 141628 283256 566512 1133024 2266048 4532096 9064192 18128384 36256768 72513536 145027072