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145401112 = 2318175139
BaseRepresentation
bin10001010101010…
…10010100011000
3101010121010211101
420222222110120
5244210313422
622232241144
73413613643
oct1052522430
9333533741
10145401112
117509100a
12408401b4
132417b87c
141544ca5a
15cb71c27
hex8aaa518

145401112 has 8 divisors (see below), whose sum is σ = 272627100. Its totient is φ = 72700552.

The previous prime is 145401049. The next prime is 145401133. The reversal of 145401112 is 211104541.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1454011122 = 42282966741673088, 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 145401112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9087562 + ... + 9087577.

Almost surely, 2145401112 is an apocalyptic number.

It is an amenable number.

145401112 is a deficient number, since it is larger than the sum of its proper divisors (127225988).

145401112 is a wasteful number, since it uses less digits than its factorization.

145401112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18175145 (or 18175141 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 145401112 is about 12058.2383456291. The cubic root of 145401112 is about 525.8427727680.

Adding to 145401112 its reverse (211104541), we get a palindrome (356505653).

The spelling of 145401112 in words is "one hundred forty-five million, four hundred one thousand, one hundred twelve".

Divisors: 1 2 4 8 18175139 36350278 72700556 145401112