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145127804 = 2236281951
BaseRepresentation
bin10001010011001…
…11100101111100
3101010002020220212
420221213211330
5244123042204
622222331552
73411365063
oct1051474574
9333066825
10145127804
1174a14738
1240729bb8
13240b4353
14153bb1da
15cb1ac6e
hex8a6797c

145127804 has 6 divisors (see below), whose sum is σ = 253973664. Its totient is φ = 72563900.

The previous prime is 145127783. The next prime is 145127849. The reversal of 145127804 is 408721541.

It is a happy number.

It is a super-4 number, since 4×1451278044 (a number of 34 digits) contains 4444 as substring.

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, 18140972 + ... + 18140979.

It is an arithmetic number, because the mean of its divisors is an integer number (42328944).

Almost surely, 2145127804 is an apocalyptic number.

It is an amenable number.

145127804 is a deficient number, since it is larger than the sum of its proper divisors (108845860).

145127804 is a wasteful number, since it uses less digits than its factorization.

145127804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36281955 (or 36281953 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 145127804 is about 12046.9001822045. The cubic root of 145127804 is about 525.5130935420.

The spelling of 145127804 in words is "one hundred forty-five million, one hundred twenty-seven thousand, eight hundred four".

Divisors: 1 2 4 36281951 72563902 145127804