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145197411 = 3192547323
BaseRepresentation
bin10001010011110…
…00100101100011
3101010012210101220
420221320211203
5244132304121
622224030123
73412105032
oct1051704543
9333183356
10145197411
1174a61a67
1240762343
1324109c38
14153d8719
15cb316c6
hex8a78963

145197411 has 8 divisors (see below), whose sum is σ = 203785920. Its totient is φ = 91703592.

The previous prime is 145197389. The next prime is 145197433. The reversal of 145197411 is 114791541.

It is an interprime number because it is at equal distance from previous prime (145197389) and next prime (145197433).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 145197411 - 25 = 145197379 is a prime.

It is a super-2 number, since 2×1451974112 = 42164576322205842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145197491) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1273605 + ... + 1273718.

It is an arithmetic number, because the mean of its divisors is an integer number (25473240).

Almost surely, 2145197411 is an apocalyptic number.

145197411 is a deficient number, since it is larger than the sum of its proper divisors (58588509).

145197411 is a wasteful number, since it uses less digits than its factorization.

145197411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2547345.

The product of its digits is 5040, while the sum is 33.

The square root of 145197411 is about 12049.7888363241. The cubic root of 145197411 is about 525.5970966122.

The spelling of 145197411 in words is "one hundred forty-five million, one hundred ninety-seven thousand, four hundred eleven".

Divisors: 1 3 19 57 2547323 7641969 48399137 145197411